Area of Circles

Find the area of the circle

• 56.52

• 254.34

• 1017.36

• 113.04

Tags

CCSS.7.G.B.4

What is the area of a circle with the diameter of 10cm ?

• 66cm

• 78.5cm

• 66.5cm

• 10m

Tags

CCSS.7.G.B.4

Jesse used rope to stake a circular region in which to plant a garden. The diameter of the region is 20 inches. What is the approximate area of half of the garden?

• 31.4 in²

• 314 in²

• 157 in²

• 628 in²

Tags

CCSS.7.G.B.4

Ms. Catall is using a compass to find her way out of the woods. The compass has a radius of 4 centimeters. What is the compass's area?

• 49.2 cm²

• 45.6 cm²

• 50.24 cm²

• 55.9 cm²

Tags

CCSS.7.G.B.4

Find the area of the circle with a radius of 3 cm.

• 8.76 cm²

• 18.52 cm²

• 21.90 cm²

• 28.26 cm²

Answer explanation

Use area of a circle formula: A =πr²

A = π⋅3²

A = 9π

A = 28.27 cm²

Tags

CCSS.7.G.B.4

Select the correct formula for finding area of a circle

(a)  

• l x w

• b x h

Tags

CCSS.7.G.B.4

find the area of the circle with radius 3 cm below.

• 100 cm²

• 225 cm²

• 9 cm²

• 28.26 cm²

Tags

CCSS.7.G.B.4

What is the formula to find the area of a circle? ​ (a)  

Tags

CCSS.7.G.B.4

This is the _____ for area of a circle.

• Distance

• Formula

• Diameter

• Radius

Tags

CCSS.7.G.B.4

Find the area of the circle.

• 16.7 cm²

• 18.7 cm²

• 12.6 cm²

• 10.2 cm²

Tags

CCSS.7.G.B.4