SSS2 Math Quiz 7.4 – Similar triangles

A triangle has a base of 6.4 cm and a height of 8 cm. Calculate its area.

Find the sum of the first 15 even numbers.

Calculate the sum of the even numbers between 12 and 20 (including both 12 and 20).

A sphere has a radius of 6 cm. What is its volume?

A sphere has a volume of 288pi cubic centimeters. Find its radius.

If a sphere’s volume is the same as its surface area, what is its radius?

Calculate the area of a rectangle that is 10 cm long and 6 cm wide.

A rectangular box is 8 cm long, 4 cm wide, and 5 cm tall. What is its volume?

Find the circumference of a circle with a radius of 9 cm.

A circle has a circumference of 18pi cm. What is its radius?

What is the area of a circle with a radius of 12 cm?

A circle has an area of 64pi square centimeters. What is its radius?

Find the volume of a cone with a radius of 5 cm and a height of 10 cm.

A cone has a volume of 64/3 * pi cubic centimeters and a height of 8 cm. What is its radius?

Calculate the surface area of a sphere with a radius of 7 cm.

A sphere has a surface area of 144pi square centimeters. Find its radius.

What is the volume of a sphere with a diameter of 10 cm?

A sphere has a volume of 1000/3 * pi cubic centimeters. What is its radius?

A trapezoid has bases that are 6 cm and 10 cm long. Its height is 8 cm. What is its area?

A trapezoid has an area of 120 square centimeters. The lengths of its bases are 12 cm and 18 cm. Find its height.