Geometry Review 2023

What is the formula for circumference of a circle given the diameter?

• C = π r
• C = 2 π r
• C = π d
• C = 2 π d

If the area of a circle is 25 π in² , then the diameter is?

• 10 in
• 5 in
• 25 in
• pi in

If the circumference of a circle is 22 π ft, what is the radius?

• 22 ft
• 11ft
• π ft
• no ft

If the circumference of a circle is 69.08 cm , what is the diameter?

• 22 ft

• 11 ft

• π ft

• 0 ft

If the area of a circle is 200.96 square feet, what is the radius?

• 4 ft

• 16 ft

• 8 ft

• 64 ft

The _____ is the distance from the center to any point on the circle.

• diameter
• radius
• π
• center

The distance across a circle through its center is called the _____.

• diameter
• radius
• π
• center

If you are given the diameter, how can you calculate the radius?

• Multiply the diameter by 2
• Divide the diameter by 2
• Add 2 to the diameter
• Subtract 2 from the diameter

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

• 10 π
• 10
• 50
• 50 π

find the diameter of the circle

• 14 m

• 7 m

• 14

• 3.5 m