Circumference and Area (all shapes)

The distance halfway across the circle is called the...

• radius

• diameter

• circumference

• area

What is the radius of this circle?

• 12cm
• 6cm
• 24cm
• 3cm

What is the diameter of this circle?

• 3.5
• 6.5
• 6
• 7

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

• c = 15π
• c = 2π15
• c = π(15²)
• c = π(7.5²)

Find the circumference of the circle

• 21.98

• 153.86

• 43.98

• 615.44

The radius is 8 inches. What is the circumference?

• 50.27 inches

• 25.12 inches

• 12.56 inches

• 200.96 inches

what is the area of a circle with the diameter of 16 cm ?

• 66 cm

• 201.1 cm

• 66.5 cm

• 10 m

Find the area of the circle

• 56.52

• 254.47

• 1017.36

• 113.04

what is the area of a circle with the diameter of 10cm ?

• 66cm
• 78.5cm
• 66.5cm
• 10m

What is the area of the rectangle?

• 15 sq cm
• 15 cm
• 2 
• 16 cm