Area Circles and Volume Review

What is the radius?

• 18

• 72

• 38

• 14

What formula is this used for:
πr²

• Circumference 

• Area

• Surface Area

• Volume

Radius 6 cm
What is the diameter? 

• 36 cm

• 12 cm

• 6 cm

• 3 cm 

Diameter 32 inches
What is the radius?

• 16 inches

• 64 inches

• 96 inches
  96 inches

• 16 ft 

What is the circumference?

• 36

• 18π

• 108π

• 36π

Diameter 13.5 in
Find the circumference of the circle.

• 84.79 in

• 42.39 in

• 21.195 in

• 572.265 in 

What is the diameter?

• 5 in

• 10 in

• 3.14 in

• 15.84 in

What is the circumference of this circle? Your answer will be in exact form.

How would you set up your problem?

• 
• 

In the equation (x-3)²+(y-2)²=16, the center of the circle is...

• (3,2)

• (-3, -2)