Area of Circles Assessment

What is the formula to find the area of a circle?

• πr²

• 2πr

• √π

What does area mean?

• the amount of space inside a shape

• half the distance around a shape

• the amount of space outside a shape

• the distance around a shape

Find the area of the circle.

• 100 cm

• 225 cm

• 9 cm

• 28.26 cm

What is the area of this circle?

• 201.06
• 50.24
• 123.12
• 94.43

Tags

CCSS.7.G.B.4

What is the radius of this circle?

• 12cm

• 24cm

• 6cm

• 3cm

What is the area of this circle?

• 163.2

• 15.3

• 124.2

• 113.04

What is the area of this semicircle? Remember you need the radius!

d = 8 cm

• 100.48 cm²

• 80 cm²

• 200.96 cm²

• 25.12 cm²