Area of Circles Derived from Circumference

Find the area of the circle.

• 56.55 in²

• 254.46 in²

• 1017.88 in2

• 127.23 in²

The area formula for a circle is derived by rearranging any circle into a  _______________.  The base is base is replaced with ______________ and the height is replaced with ______________. 

• rectangle; circumference; radius

• rectangle; radius; circumference

• rectangle; 0.5 circumference; radius

• rectangle; circumference; 0.5 radius

The perimeter of a circle is usually called the...

• radius

• diameter

• circumference

• area

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

• 21.98 cm

• 43.98 cm

• 87.96 cm

• 7 cm

Find the area of a circle if you are given the circumference of 2.5 inches. Use 3.14 for π and round to the nearest tenths place

• 5 inches²

• 4.8 inches²

• 4.89 inches²

• 4.9 inches²

Jennifer painted a tabletop that is shaped like a circle. The circumference of the tabletop is 6π feet. Which measurement is closest to the area of the tabletop in square feet?

• 18.84 ft²

• 28.26 ft²

• 37.68 ft²

• 113.04 ft²

Jayne has a very large circular lollipop that has a circumference of 25.12 inches. What would the area of Jayne’s lollipop be? Use π = 3.14. (You are going to have to find the diameter then radius before finding area.)

• 50.24 in.²

• 200.96 in²

• 12.56 in. ²

• 78.88 in^.2

• A

• B

• C

• D

• A

• B

• C

• D

Find the area of a circle if you are given the circumference of 4 π inches. Your answer must have π

• 4.25 units²

• 4 units²

• 4.89 units²

• 4.5 units²