Circles Terms Definition

The definition of diameter is

• distance from the center of any point on the circle

• distance across the circle through the center

• distance from one point to another

• distance around the circle

The definition of radius is

• distance from one point to another point

• distance around the circle

• distance from the center to any point on the circle

• distance across the circle through the center

Find the area of the circle

• 56.52

• 254.34

• 1017.36

• 113.04

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

• 66cm

• 78.5cm

• 66.5cm

• 10m

Jesse used rope to stake a circular region in which to plant a garden. The diameter of the region is 20 inches. What is the approximate area of half of the garden?

• 31.4 in²

• 314 in²

• 157 in²

• 628 in²

Ms. Catall is using a compass to find her way out of the woods. The compass has a radius of 4 centimeters. What is the compass's area?

• 49.2 cm²

• 45.6 cm²

• 50.24 cm²

• 55.9 cm²

Mrs. Wilson placed the welcome mat shown below on her front door step. What is the area of her welcome mat in square feet? Leave in terms of π.

• 2π

• 8π

• 10π

• 4π

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

If you fold a circle in half, what shape have you created?

• Quarter circle

• Semi-circle

• a taco

• another circle

Shring's dining room table is round and has a radius of 4.5 feet. What is the tabletop's area?

• 63.585 ft²

• 68.345 ft²

• 64.585 ft²

• 61.345 ft²