✅ 7th Grade Math (Pre-Algebra): Circles Quiz

What is the name of the distance from the center of a circle to any point on its edge?

If the radius of a circle is 7 cm, what is its diameter?

A circle has a diameter of 18 meters. What is its radius?

Which formula is used to calculate the circumference of a circle given its diameter $d$?

Calculate the circumference of a circle with a diameter of 10 cm. Use $\pi \approx 3.14$.

Find the area of a circle with a radius of 5 inches. Use $\pi \approx 3.14$.

A circular garden has a radius of 8 feet. What is its circumference? Use $\pi \approx 3.14$.

Calculate the area of a circular swimming pool with a diameter of 14 meters. Use $\pi \approx \frac{22}{7}$.

A circular tabletop has a radius of 30 cm. What is the length of the decorative trim needed to go around its edge? Use $\pi \approx 3.14$.

A pizza has a diameter of 16 inches. What is the area of the pizza? Use $\pi \approx 3.14$.

If the circumference of a circle is 62.8 cm, what is its diameter? Use $\pi \approx 3.14$.

A circular pond has a circumference of 94.2 meters. What is the radius of the pond? Use $\pi \approx 3.14$.

A circular rug has an area of 113.04 square feet. What is the radius of the rug? Use $\pi \approx 3.14$.

A circular path surrounds a fountain. The outer circumference of the path is 31.4 meters, and the inner circumference (around the fountain) is 18.84 meters. If the path's width is uniform, what is the width of the path? Use $\pi \approx 3.14$.