Area of Circles and Sectors

A swimming pool company manufactures circular covers for above ground pools. If the cover is 1 foot longer than the pool on each side, find the area of the cover.

• $62.8\ ft^2$

• $254.5\ ft^2$

• $314.2\ ft^2$

• $1256.6\ ft^2$

Tags

CCSS.7.G.B.4

Find the radius of a circle with an area of 45 square inches.

•  $3.8\ in$ 

•  $4.5\ in$ 

•  $5.7\ in$ 

•  $7.6\ in$ 

Tags

CCSS.7.G.B.4

A pizza has a diameter of 14 inches and is cut into 8 congruent slices. What is the area of one slice to the nearest hundredth? 

•  $16.21\ in^2$ 

•  $19.24\ in^2$ 

•  $26.43\ in^2$ 

•  $38.48\ in^2$ 

Tags

CCSS.HSG.C.B.5

What is the area of the circular putting green shown to the nearest square foot

•  $152\ ft^2$ 

•  $314ft^2$ 

•  $628\ ft^2$ 

•  $256\ ft^2$ 

Tags

CCSS.7.G.B.4

Find the diameter of a circle with an area of 74 square centimeters.

•  $4.8\ cm$ 

•  $9.7\ cm$ 

•  $30\ cm$ 

•  $16.2\ cm$ 

Tags

CCSS.7.G.B.4

Chelsea is baking pies for a fundraiser at her school. She divides each 9-inch pie into 6 equal slices. 

What is the area , in square inches, for each slice of pie? 

•  $254.5\ in^2$ 

•  $63.6\ in^2$ 

•  $42.4\ in^2$ 

•  $10.6\ in^2$ 

Tags

CCSS.HSG.C.B.5

Chelsea is baking pies for a fundraiser at her school. She divides each 9-inch pie into 6 equal slices. 

If each slice cost $0.25 to make and she sells 8 pies at $1.25 for each slice, how much money will she raise 

• $12

• $24

• $48

• $60

Tags

CCSS.4.MD.A.2

The color wheel at the right is a tool that artist use to organize color schemes. If the diameter of the wheel is 10 inches and each of the 12 sections is congruent, find the approximate area covered by the green hues.

• $6.5\ in^2$

• $19.6\ in^2$

• $26.2\ in\ ^2$

• $78.5\ in\ ^2$

Tags

CCSS.HSG.C.B.5