Area of a Circle Composite Figures

What is the area of this circle? Use the pi function on the calculator. Round your answer to two decimal places.

• 82.13

• 78.54

• 314.16

• 170.12

Tags

CCSS.7.G.B.4

What does area mean?

• the distance around a shape

• half the distance around a shape

• the amount of space outside a shape

• the amount of space inside a shape

What is the area of the yellow?

• 78.5 mi²

• 19.625 mi²

• 39.25 mi²

• 31.4 mi²

Tags

CCSS.HSG.C.B.5

Randy’s circular garden has a radius of 1.5 feet. He wants to enclose the garden edging that costs $0.75 per foot. About how much will the edging cost? 

• $8.00

• $7.00

• $3.50

• $0.50

Tags

CCSS.7.G.B.4

The radius of the larger circle is 5 meters and the radius of the smaller circle is 2.5 meters. What is the approximate area of the shaded region?

• 5 squared meters

• 20 squared meters

• 59 squared meters

• 79 squared meters

• 296.96 m2
• 248.96 m2
• 98.24 m2
• 73.12 m2

Tags

CCSS.7.G.B.4

Here is a new image with a new scale. What is the area of this figure?

• 55.26 cm squared

• 140.04 cm squared

• 125.04 cm squared

• 40.26 cm squared

• 490.63 cm²
• 480.63 cm²
• 470.63 cm²
• 460.63 cm²

Tags

CCSS.7.G.B.4

Solve.

• 78.5 cm²

• 100 cm²

• 21.5 cm²

• 121.5 cm²