Grade 7 Mathematics โ€“ Pythagorean Relationship Quiz

1. Which of the following can be used to make a right angle triangle?

5cm,7cm and 9cm
9cm,10cm and 19cm
11cm,12cm and 17cm
3cm,5cm and 4cm
Explanation:

2. Find the length of the side of a triangle whose two shorter sides are 8cm and 6 cm.

10 cm
2 cm
5 cm
48 cm
Explanation:

3. What is the length of the longest side of a triangle given the other two sides as 3cm and 4cm?

6 cm
10 cm
5 cm
7 cm
Explanation:

4. Which Pythagorean theorem equation is true ?

c squared = b squared - a squared
c squared = a squared + b squared
a squared = b squared + c squared
c squared = a squared - b squared
Explanation:

5. Which of the following are right angled triangle?

3cm,6cm and 20cm
12cm,16cm and 20cm
5cm ,9cm and 12cm
10cm,15cm and 20 cm
Explanation:

6. ABC is a right triangle. AC is its hypotenuse. Length of side AB is 2โˆš5. Side BC is twice of side AB. Find the length of AC.

15
10
17
14
Explanation:

7. The hypotenuse of a right triangle is 6 cm. Its area is 9 cm2. Find its sides.

3cm,2cm
3cm,4cm
each side is 3โˆš2 cm
9cm,3cm
Explanation:

8. One side of a right triangle is 4โˆš10cm. Find the length of its other side if the hypotenuse is 13 cm.

9cm
3cm
4cm
5cm
Explanation:

9. In a right triangle ABC, length of the medians to the sides AB and BC are 2โˆš61 โ€‹ and โˆš601 respectively. Find the length of its hypotenuse.

61cm
31cm
60cm
26cm
Explanation:

10. In a right triangle, the longest side is 8 cm. One of the remaining sides is 4โˆš3 cm long. Find the length of the other side.

11cm
2cm
19cm
4cm
Explanation:

11. The first side of a right triangle is shorter than the second side by 1 cm. It is longer than the third side by 31 cm. Find the sides of the triangle.

9 cm, 4 cm, 41 cm
9 cm, 40 cm, 4 cm
19 cm, 4cm, 41 cm
9 cm, 40 cm, 41 cm
Explanation:

12. The perimeter of a right triangle is equal to 30 cm. The length of one of its sides is 10 cm. Find its hypotenuse.

15cm
12cm
3cm
12.5cm
Explanation:

13. In a right triangle, two sides are equal. The longest side is 7โˆš2 cm, find the remaining sides

7cm
21cm
14cm
10.5cm
Explanation:

14. What is the Pythagorean Theorem?

c2 = a2 + b2
a2 โ‹… b2 = c2
c2 + a2 = b2 and (a + b)2 = c2
c2 + b2 = a
Explanation:

15. Which of the listed side lengths CAN be sides of a right triangle?

6, 7, 8
3, 4, 5
4, 5, 6
5, 6, 7
Explanation:

16. Which of the listed sides CAN be sides of a right triangle?

6in, 12in, 13in
19in, 21in, 29in
15in, 20in, 24in
10in, 24in, 26in
Explanation:

17. Calculate the length of the hypotenuse of a right angled triangle given the two sides being 9cm and 40cm.

49cm
43cm
41cm
39cm
Explanation:

18. Calculate the length of the third side of right angle triangle given the longest and one of the other smaller sides as 15cm and 12cm.

17cm
6cm
9cm
14cm
Explanation:

19. In the evening, the shadow of an object is very long due to the low position of the Sun. A 20m height lamp post makes a 99m long shadow. What is the distance from the top of the pole to the top of its shadow?

119m
79m
101m
89m
Explanation:

20. Use the Pythagorean Theorem to find the value of the hypotenuse.a=3cm b=4cm.

7cm
5cm
6cm
2cm
Explanation:

21. The longest side of a right triangle is called the...............

degree
hypotenuse
angle
eg
Explanation:

22. When finding the hypotenuse, you must take the ______________ the value c.

square
square root
double
triple
Explanation:

23. To get from point A to point B you must avoid walking through a pond. To avoid the pond, you must walk 34 meters south and 41 meters east. To the nearest meter, how many meters would be saved if it were possible to walk through the pond?

22
35
58
75
Explanation:

24. What kind of triangles does the Pythagorean Theorem work with?

Equilateral
Left
Right
Isosceles
Explanation:

25. The hypotenuse is always.............

The right angle side
The shortest side
On the outside
The longest side
Explanation:

26. c= 97, b= 72, a=?

55
35
65
75
Explanation:

27. What is the name for side c?

hippopotamus
hypotenuse
body
head
Explanation:

28. John leaves school to go home. He walks 6 blocks North and then 8 blocks west. How far is John from the school?

12 blocks
10 blocks
14 blocks
8.5 blocks
Explanation:

29. You need a ladder that will reach up a 25 foot tall house when placed 10 feet away from the house. How tall does the ladder need to be?

28 feet
25 feet
27 feet
26 feet
Explanation:

30. A rectangular field is 50 yards wide and 100 yards long. Patrick walks diagonally across the field. How far does he walk?

127.3 yards
119 yards
111.8 yards
115 yards
Explanation:

31. A piece of paper that Brittany has is 11 inches tall and 8 inches wide. She draws a straight line diagonally across the paper. How long is the line she drew?

7.5 in
14.3 in
13.6 in
12.4 in
Explanation:

32. An airplane flies 56 miles due north and then 33 miles due east. How many miles is the plane from its starting point?

65 miles
89 miles
We don't have enough information.
45.4 miles
Explanation:

33. In a computer catalog, a computer monitor is listed as being 27 inches. This distance is the diagonal distance across the screen. If the screen measures 15 inches in height, what is the actual width of the screen to the nearest inch?

24 in
25 in
22 in
23 in
Explanation:

34. What is a logical mathematical argument in which every statement of fact is supported by a reason?

Theorem
Proof
Conjecture
Hypotenuse
Explanation:

35. A right triangle has side lengths of 4 centimeters and 5 centimeters. What is the length of the hypotenuse?

4 cm
โˆš41 cm
3 cm
5 cm
Explanation:

36. What is true about the hypotenuse?

It is the shortest side
It has an even measure
It is one of the sides connected to the right angle symbol
It is the longest side
Explanation:

37. What conclusion can you draw if you plug the measure three sides of a triangle into the Pythagorean Theorem?

The triangle is acute
The shape is a triangle
The triangle is right
The triangle is acute
Explanation:

38. Why do we use the Pythagorean Theorem?

To find the area of a triangle
To find the volume of a cone
To find the missing side of a right triangle
To find the circumference of a circle
Explanation:

39. What is the hypotenuse (c)?

the straight side of the triangle
the shortest side
the longest side, across from the right angle
the two sides that make up the right angle
Explanation:

40. What are the "legs" of a triangle (a + b)?

the straight side of the triangle
the longest side, across from the right angle
the shortest side
the two sides that make up the right angle
Explanation:

41. What is an example of squaring a number?

5 x 6
7 x 7
2 x 8
5 + 5
Explanation:

42. What is the Pythagorean relationship used for in Mathematics?

Finding the area of a circle
Solving right-angled triangles
Calculating the perimeter of a square
Measuring the volume of a cylinder
Explanation:

The Pythagorean relationship is a fundamental concept used to solve for the sides of right-angled triangles.

43. In a right-angled triangle, which side is known as the hypotenuse?

Opposite side
Longest side opposite the right angle
Adjacent side
Adjacent and opposite sides
Explanation:

The hypotenuse is the side opposite the right angle and is the longest side in a right-angled triangle.

44. If the two shorter sides of a right triangle measure 3 and 4 units respectively, what would be the length of the hypotenuse according to the Pythagorean relationship?

7 units
6 units
10 units
5 units
Explanation:

According to the Pythagorean relationship (a^2 + b^2 = c^2), the hypotenuse would be โˆš(3^2 + 4^2) = 5 units.

45. Which of the following is the correct formula for the Pythagorean relationship?

a^2 + b^2 = c^2
a + b = c^2
a^2 + b^2 = c
a + b = c
Explanation:

The Pythagorean theorem states that the sum of the squares of the two shorter sides of a right triangle is equal to the square of the hypotenuse.

46. If a right-angled triangle has sides of length 6, 8, and x, what is the length of x according to the Pythagorean relationship?

10 units
14 units
15 units
12 units
Explanation:

Using the Pythagorean relationship a^2 + b^2 = c^2, we have 6^2 + 8^2 = x^2, which simplifies to 36 + 64 = x^2, x^2 = 100, x = โˆš100 = 10 units.

47. What is the Pythagorean relationship between the sides a, b, and c of a right-angled triangle?

a^2 + b^2 = c^2
a + b = c
a^2 - b^2 = c^2
a รƒยท b = c
Explanation:

The Pythagorean theorem states that the sum of the squares of the two shorter sides of a right triangle is equal to the square of the hypotenuse.

48. If the two shorter sides of a right triangle measure 5 and 12 units respectively, what would be the length of the hypotenuse according to the Pythagorean relationship?

17 units
20 units
13 units
18 units
Explanation:

Using the Pythagorean relationship a^2 + b^2 = c^2, we have 5^2 + 12^2 = c^2, which simplifies to 25 + 144 = c^2, c^2 = 169, c = โˆš169 = 13 units.

49. What is the longest side of a right-angled triangle called?

Base
Hypotenuse
Median
Equal side
Explanation:

The hypotenuse is the longest side in a right-angled triangle and is opposite the right angle.

50. If a right-angled triangle has sides of length 9, 12, and x, what is the length of x according to the Pythagorean relationship?

20 units
18 units
21 units
15 units
Explanation:

Using the Pythagorean relationship a^2 + b^2 = c^2, we have 9^2 + 12^2 = x^2, which simplifies to 81 + 144 = x^2, x^2 = 225, x = โˆš225 = 15 units.

51. Which theorem is used to find the relationship between the sides of a right-angled triangle?

Fermat's Last Theorem
Theorem of Pythagoras
Pythagorean Theorem
Euler's Theorem
Explanation:

The Pythagorean theorem is used to find the relationship between the sides of a right-angled triangle.

52. If the two shorter sides of a right triangle measure 7 and 24 units respectively, what would be the length of the hypotenuse according to the Pythagorean relationship?

20 units
28 units
25 units
30 units
Explanation:

Using the Pythagorean relationship a^2 + b^2 = c^2, we have 7^2 + 24^2 = c^2, which simplifies to 49 + 576 = c^2, c^2 = 625, c = โˆš625 = 25 units.

53. What is the Pythagorean relationship between the sides of a right triangle?

Subtraction
Multiplication
Square
Addition
Explanation:

The Pythagorean theorem states that the sum of the squares of the two shorter sides of a right triangle is equal to the square of the hypotenuse.

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