Circles - Area and Circumference

What is the diameter?

• 6.5
• 15
• 24.84
• 78

Tags

CCSS.7.G.B.4

Jayne has a very large circular lollipop that has a circumference of 25.12 inches. What would the area of Jayne’s lollipop be?

• 50.24 in.²
• 200.96 in²
• 12.56 in. ²
• 78.88 in^.2

Tags

CCSS.7.G.B.4

If the area of circle is 100 π , find the radius of the circle.

• 10 π
• 10
• 50
• 50 π

Tags

CCSS.7.G.B.4

The circumference of a circle is 18.41 feet.  What is the approximate length of the diameter?

• 3 ft
• 5 ft
• 6 ft
• 8 ft

Tags

CCSS.7.G.B.4

The cost of painting the circular traffic sign is $3.50 per square foot. How much to the nearest dollar, will it cost to paint the sign if it diameter measures 36 inches?

• $20

• $25

• $30

• $35

Tags

CCSS.7.G.B.4

• 12 yards
• 24 yards
• 237 yards
• 473 yards

Tags

CCSS.7.G.B.4

Match the diameter of the circle with its approximate area. #7

• A

• B

• C

• D

Tags

CCSS.7.G.B.4

what is the circumference of this semicircle ?

d = 8 cm

• 25.12 cm²

• 12.56 cm

• 12.56 cm²

• 25.12 cm

Tags

CCSS.7.G.B.4

A circular pie has an area of 706.5 cm². What is the radius of the pie? Round to nearest whole number. Don't forget to label.

Tags

CCSS.7.G.B.4

A circular swimming pool has a radius of 15 feet. The family that owns the swimming pool wants to put up a circular fence that is 5 feet away from the pool at all points. What is the circumference of the fence they will need? Hint: Draw what you know. Round to nearest hundredth. Don't forget to label.

Tags

CCSS.7.G.B.4