Circles

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

• radius
• diameter
• circumference
• area

What is the formula for finding the circumference of a circle?

• C = r²

• C = rd

• A = π·r²

What is the area of this circle?

• 1385.44
• 2142.12
• 5541.77
• 1289.12

What is the formula for area of a circle?

• A = pi x D
• A = 2pi x r
• A = pi x D2

What is the area of this circle?

• 15393.8
• 1248.12
• 5930.12
• 3848.45

find the area of the circle below.

• 100 cm
• 225 cm
• 9 cm
• 28.26 cm

Find the area of the circle

• 56.52
• 254.34
• 1017.36
• 113.04

Find the area of the circle

• 43.96
• 153.86
• 87.82
• 307.72

What is the radius of this circle?

• 18
• 10
• 9
• 8

Steven purchases a bowl. The diameter of the
bowl is 14 cm. What is the circumference of the 
bowl?

• 28 cm
• 43.98 cm
• 87.96 cm
• 7 cm