Measurement-Circles, Area of Composite, and Conversions

A circle's (a)   is ​ (b)   of the diameter.

• radius
• half
• diameter
• circumference
• twice

Jorge is trying to tile a design on the floor of his home. If the design he uses the design shown, what is approximately the area of tile he needs?

• 803

• 201

• 50

• 25

What is the area of the figure shown to the nearest tenth?

• 6.3

• 12.6

• 50.2

• 1.6

Mary is building a garden. She needs to know how much dirt to buy to cover the garden. What is approximately the amount of dirt Mary will need?

• 22 square yards

• 11 square yards

• 154 square yards

• 38 square yards

The radius of a circle is 4 meters. Which TWO of the following statements are true?

• The circumference is 12.57 meters.

• The area is 50.24 square meters.

• The value of the area is four times the value of the circumference.

• The value of the area is three times the value of the circumference.

• The value of the area is two times the value of the circumference.

The local radio station is setting up a tower. What is the area of coverage that the tower will provide for the town?

• 78.75

• 314

• 15.7

• 31.4

What is the circumference of a circle with the diameter of 10 centimeters?

If the following wagon wheel were to make one rotation, what is the distance it would travel?

• 7.85

• 3.925

• 19.625

• 4.9

Manuel draws a circular figure in art class. What is approximately the area of the brown region?

• 28.26

• 78.5

• 50.24

• 200.96

Find the area of the figure shown.

• 31 square feet

• 47 square feet

• 39.5 square feet

• 32 square feet