Mar 14 Geometry Exploring Circle Concepts and Calculations

Find the area of the circle

• 56.52

• 254.34

• 1017.36

• 113.04

What is the circumference?

• 48

• 96

• 24

• 18

Determine the radius of the penny

• 59.66 mm

• 9.5 mm

• 38 mm

• 119.32 mm

• 154 cm²

• 153.86 cm²

• 150 cm²

• 140 cm²

• 31.4 inches

• 15.7 inches

• 62.8 inches

• 20 inches

• 8 meters

• 7 meters

• 6 meters

• 5 meters

Convert a circle's radius of 5 cm to its diameter.

• 5 cm

• 10 cm

• 15 cm

• 20 cm

• 4 meters

• 5 meters

• 6 meters

• 7 meters

If the radius of a circle is doubled, how does the area change?

• It doubles

• It triples

• It quadruples

• It remains the same

• 153.86 m²

• 154 m²

• 150 m²

• 160 m²