Geometry Part 1 Review

What number is pi?

• 1.41

• 2.00

• 3.14

• 5.14

What is the area formula for a circle?

• A = πr²

• A = 2πr

• A = √π

• 8.76 cm²

• 18.52 cm²

• 21.90 cm²

• 28.26 cm²

• 56.52 in²

• 254.34 in²

• 1017.36 in²

• 113.04 in²

What is the radius of a circle with an area of 49π?

• 49

• 10

• 7

• 14

The circumference of a circle is...

• The distance from an edge of a circle to another edge.

• The distance around the circle

• The distance from an edge of a circle to another edge going through the center

• The distance from the center of the circle to an edge of the circle

The diameter of a circle is...

• The measurement from an edge of a circle to another edge.

• The measurement around the circle

• The measurement from an edge of a circle to another edge going through the center

• The measurement from the center of the circle to an edge of the circle

The radius of a circle is...

• The measurement from an edge of a circle to another edge.

• The measurement around the circle

• The measurement from an edge of a circle to another edge going through the center

• The measurement from the center of the circle to an edge of the circle

If you are given the radius of a circle how could you find the diameter of the same circle?

• Multiply the radius by 3.14

• Multiply the radius by 2

• Multiply the radius by 1/2

• Divide the radius by 2

If my radius is 10 ft, what is my diameter?

• 5 ft

• 20 ft

• 31.4 ft

• 62.8 ft