Circle Equations and Challenges: Grade 7 Geometry Quiz

A circular garden has a radius of 5 meters. What is the area of the garden? Use the formula A = πr².

• 25π square meters

• 20π square meters

• 15π square meters

• 30π square meters

A park has a circular walking path with a diameter of 20 meters. What is the circumference of the path? Use the formula C = πd.

• 78.54 meters

• 62.83 meters

• 50.24 meters

• 31.42 meters

A circular pond has a radius of 3 meters. If you want to build a fence around it, how many meters of fencing will you need?

• 12.56 meters

• 25.13 meters

• 9.42 meters

• 18.85 meters

A circular pizza has a radius of 10 inches. If you cut the pizza into 8 equal slices, what is the area of one slice?

• 12.5π square inches

• 5π square inches

• 25π square inches

• 10π square inches

A circular track has a radius of 15 meters. If a runner completes one lap, how far do they run? Use the circumference formula.

• 94.25 meters

• 30 meters

• 75 meters

• 120 meters

A circular table has a diameter of 1.2 meters. What is the radius of the table?

• 1.2 meters

• 0.6 meters

• 0.4 meters

• 2.4 meters

A circular swimming pool has a radius of 7 meters. If you want to tile the bottom of the pool, how many square meters of tiles do you need?

• 100 square meters

• 200 square meters

• 50 square meters

• 153.94 square meters

A circular clock has a radius of 6 inches. If the minute hand is 4 inches long, how far is the tip of the minute hand from the center of the clock?

• 4 inches

• 2 inches

• 6 inches

• 8 inches

A circular field has a diameter of 50 meters. If you want to plant trees around the edge, how many meters of fencing will you need?

• 125 meters

• 200 meters

• 100 meters

• 157 meters

A circular cake has a radius of 8 inches. If you want to find the area of the top of the cake to cover it with icing, what is the area?

• 48π square inches

• 80π square inches

• 32π square inches

• 64π square inches