Area and Circumference of Circles

What is the radius of this circle?

• 12cm
• 6cm
• 24cm
• 3cm

Tags

CCSS.7.G.B.4

What is the area of this circle?

• 62.59
• 113.1
• 19.81
• 28.27

Tags

CCSS.7.G.B.4

What is the area of this circle?

• 82.13
• 78.54
• 314.16
• 170.12

Tags

CCSS.7.G.B.4

what is the area of a circle with the diameter of 10cm ? Round your answer to the nearest tenth.

• 66cm

• 78.5cm

• 66.5cm

• 10m

What is the diameter of this circle?

• 3.5
• 3
• 5
• 7

Tags

CCSS.7.G.B.4

A DVD has a diameter of 15 millimeters. Which equation would help you determine the circumference?

• c = π15

• C = 2π15

• c = 15 ÷ π

• c = 15 π²

Tags

CCSS.7.G.B.4

If the radius of a circle is 12.5 meters, the diameter is ____

• 6.25 meters
• 125 meters
• 25 meters
• 50 meters

Tags

CCSS.7.G.B.4

A circular pie has an area of 706.5 cm². What is the radius of the pie?

• 225 cm
• 30 cm
• 15 cm
• 112.5 cm

Tags

CCSS.7.G.B.4

The stained glass window is a semicircle. What is the distance around the window?

• 40.82 inches

• 66.82 inches

• 81.64 inches

• 107.64 inches

Tags

CCSS.7.G.B.4

What does "circumference" mean?

• Space a circle takes up
• Distance around a circle
• Line from one side of a circle to another
• Line from center of circle to side

Tags

CCSS.HSG.GMD.A.1