6.7 Area & Circumference of a Circle HW

The diameter of a truck wheel is 56.5 inches. What is the circumference of the wheel? Use 3.14 for $\pi$ 

• 177.41 inches

• 167.41 inches

• 157.41 inches

• 187.41 inches

A minute hand (radius) of a clock is 13.8 meters long. What is the circumference of the clock?

• 86.66 meters

• 76.66 meters

• 43.33 meters

• 597.98 meters

Find the diameter of a circle with a circumference of 27 centimeters. Use 3.14 for  $\pi$  .
The diameter is ______________ centimeters

What is the radius of a circle with a circumference of 26.69 centimeters? Use 3.14 for  $\pi$  
The radius is ________________ centimeters

Find the perimeter of the figure. Use 3.14 for  $\pi$  . Round to the nearest hundredth.

• 37.26 ft

• 51.39 ft

• 65.52 ft

• 93.78 ft

Pierce draws a circle with a radius of 3 cm. Gianna draws a circle with a radius that is twice as long as the radius of Pierce's circle. Select all of the statements that are true.

• The radius of Gianna's circle is 9

• The circumference of Gianna's circle is 37.68 cm

• Gianna's circumference is four times as big as Pierce's circumference

• Gianna's circumference is twice as big as Pierce's circumference

• Pierce and Gianna can both use $C=2\pi\left(3\right)$ to find the circumferences of their circles.

Marisa purchases a pot for her father's garden. The diameter of the bottom of the pot is 18 cm. What is the area of the pot's bottom? Use  $\frac{22}{7}$  for  $\pi$  (Round to the nearest whole number.)
The area is __________ cm²

Shring's dining room table is round and has a radius of 4.5 feet. What is the tabletop's area? Use 3.14 for  $\pi$  

• 63.585 ft²

• 68.345 ft²

• 64.585 ft²

• 61.345 ft²

Jaylen created this stained-glass window. The upper two corners are quarter circles, each with a radius of 4 inches. Find the area of the window. Use 3.14 for $\pi$  

• 264  $in^2$  

• 305.12  $in^2$  

• 428.48  $in^2$  

• 50.24  $in^2$  

A circular flower bed is 20 meters in diameter and has a circular sidewalk around it that is 3 meters wide. Find the area of the sidewalk in square meters. Use 3.14 for  $\pi$ . Round to the nearest whole number.

• 217  $m^2$  

• 314  $m^2$  

• 531  $m^2$  

• 169  $m^2$