Area and Circumference of Circle

What formula is this used for:
πr²

• Circumference 
• Area
• Surface Area
• Volume

Tags

CCSS.7.G.B.4

Radius 6 cm
What is the diameter? 

• 36 cm
• 12 cm
• 6 cm
• 3 cm 

Tags

CCSS.7.G.B.4

Diameter 32 inches
What is the radius?

• 16 inches
• 64 inches
• 96 inches
  96 inches
• 16 ft 

Tags

CCSS.7.G.B.4

What formula is used to find the distance around a circle?

• Area
• Surface area
• Circumference
• Volume

Tags

CCSS.HSG.GMD.A.1

CCSS.HSG.CO.A.1

Radius 5 in
Find the area of the circle.

• 15.7 inches²
• 31.4 inches²
• 314 inches²
• 78.5 inches²

Tags

CCSS.7.G.B.4

Diameter 14 inches
Find the area of a circle.

• 615.44 in²
• 153.86 in²
• 43.96 in²
• 87.92 in²

Tags

CCSS.7.G.B.4

Radius 4 inches
Find the circumference of the circle. 

• 25.12 in
• 12.56 in
• 50.24 in
• 200.96 in

Tags

CCSS.7.G.B.4

Diameter 13.5 in
Find the circumference of the circle.

• 84.79 in
• 42.39 in
• 21.195 in
• 572.265 in 

Tags

CCSS.7.G.B.4

A bicycle tire has a diameter of 20 inches. How many inches is one full revolution of the wheel?  

• 31.4 in
• 1256 in
• 125.6 in
• 62.8 in

Tags

CCSS.7.G.B.4

A circle pool has a radius of 7.5 ft. Monica wants to know how many ft of a pool cover she needs to buy?

• 23.55 ft²
• 176.63 ft²
• 47.1 ft²
• 706.5 ft²

Tags

CCSS.7.G.B.4