GRADE 8 Mathematics – Area Quiz

To find the area of a rectangle, you multiply the length by the width.

The area of a square is obtained by multiplying the length of one side by itself.

The formula for the area of a triangle is 0.5 times the base multiplied by the height.

To calculate the area of a circle, you multiply π by the square of the radius.

The area of a parallelogram is derived by multiplying the base by the height.

The formula for the area of a trapezium is found by multiplying the average of the two parallel sides by the height.

The area of a rhombus can be calculated by multiplying the lengths of the two diagonals and dividing by 2.

To find the area of a regular polygon, you multiply the perimeter by the apothem length and divide by 2.

The area of a sector of a circle is obtained by multiplying half of the central angle (in radians) by the square of the radius.

To find the area of a kite, you multiply the lengths of the two diagonals and divide by 2.

The correct formula to find the area of a rectangle is multiplying the length by the width.

To find the area of a square, multiply the length of one side by itself (squared).

The formula for finding the area of a circle is π times the radius squared.

The correct formula to find the area of a parallelogram is multiplying the base by the height.

To find the area of a trapezium, add the parallel sides and multiply by the height, then divide by 2.

To find the area of a sector, multiply the fraction of the circle's circumference by the area of the whole circle.

To find the area of a regular hexagon, use the formula (3/2) x (root 3) x a^2 where 'a' is the length of a side.

To find the area of an isosceles triangle, multiply the base by the height and divide by 2.

The formula for calculating the area of a rectangle is to multiply its length by its width. This gives the total space enclosed by the rectangle.

To find the area of a square, you simply multiply the length of one of its sides by itself. This gives the total space covered by the square.

The unit of measurement for area is typically in square meters as it represents the amount of space enclosed within a two-dimensional shape.

To find the area of a triangle, you multiply the length of its base by its height and then divide the result by 2. This formula is applicable for all types of triangles.

The formula for calculating the area of a circle is to multiply Pi by the square of its radius. This gives the total space enclosed by the circle.

To calculate the area of a parallelogram, you multiply the length of its base by its height. This formula works for all parallelograms.

To find the area of a trapezium, multiply the height of the trapezium by the sum of its two bases and then divide the result by 2. This formula gives the total enclosed space.

To find the area of a rhombus, multiply its two diagonals and divide the product by 2. This formula gives the total space enclosed by the rhombus.

For a regular polygon, the area can be calculated by multiplying half of the perimeter by the apothem (the distance from the center to a side). This formula applies to all regular polygons.

To find the area of a sector in a circle, multiply the fraction of the circle's circumference (determined by the angle) by Pi and the square of the radius. This gives the area of the sector.

To calculate the area of a kite, multiply half of the product of its diagonals. This formula gives the total enclosed space within the kite.

To calculate the lateral surface area of a cylinder, multiply 2 times Pi by the radius of the base and the height of the cylinder. This gives the total area of the side surface.

To find the area of a trapezoid, multiply the height of the trapezoid by the sum of its parallel bases and then divide the result by 2. This formula gives the total enclosed space.

The area of a regular hexagon can be found by multiplying 3/2 times the square of a side and the square root of 3. This formula applies to all regular hexagons.

To calculate the area of a sector in a circle, multiply the fraction of the circle defined by the central angle by 2 times Pi and the square of the radius. This gives the area of the sector.

To find the area of an equilateral triangle, square the length of one of its sides, multiply by the square root of 3, and divide by 4. This formula works specifically for equilateral triangles.

To find the area of a semicircle, multiply half of Pi by the square of its radius. This gives half the total area covered by a full circle.

To calculate the area of a trapezoidal prism, multiply the height by the sum of the bases and then divide the result by 2. This formula gives the total surface area.

To calculate the area of a sector in a circle using the arc length, divide the arc length by the radius of the circle. This gives the area of the sector.

The area of a regular octagon can be calculated by multiplying 2 times the square of a side by the quantity 1 plus the square root of 2. This formula applies to all regular octagons.

To calculate the area of a cyclic quadrilateral, multiply half of the product of its diagonals by the sine of the included angle. This formula gives the total enclosed space within the cyclic quadrilateral.

The formula for calculating the area of a cone is to multiply Pi by the square of its radius and then multiply the product by the height of the cone. This gives the total surface area.

For a regular pentagon, the area can be found by multiplying 5/2 times the side length of the pentagon by its apothem (the distance from the center to a side). This formula applies to all regular pentagons.

To calculate the lateral surface area of a pyramid, multiply the perimeter of the base by a side length of the pyramid. This gives the total area of the side faces.

To find the area of an isosceles triangle, multiply half of the base by the height of the triangle. This formula works specifically for isosceles triangles.

The formula for calculating the area of a sphere is to multiply 4 times Pi by the square of its radius. This gives the total surface area of the sphere.