Circles and polygons Review CRM2.2

A flying disc has a  $4\ \frac{3}{4}$  inch radius. What is its approximate circumference, rounded to the nearest inch? 

• 15 inches

• 30 inches

• 60 inches

• 71 inches

Emily's bicycle wheel has a diameter of 18 inches.

If the wheel makes 20 revolutions, approximately how far will the bicycle have traveled? Round

to the nearest whole number.

• 57 inches

• 254 inches

• 1131 inches

• 5089 inches

What is the area of the circle shown in square inches? Use

 $\frac{22}{7\ }\ for\ \pi$    

• 44 $in^2$  

• 88 $in^2$  

• 616 $in^2$  

• 2464 $in^2$  

A circle with its dimensions, in meters (m), is shown.

What is the area, in square meters, of the circle? Use for . Round your answer to the nearest tenth.

The circumference of a circle is 75.36 cm.
 
What is the area in square centimeters? Use 3.14 for

 $\pi$  

• 37.68  $cm^2$  

• 113.04 $cm^2$  

• 452.16 $cm^2$  

• 1808.64 $cm^2$  

The diagram below represents the shape of the floor of a hotel lobby. The hotel plans on replacing the carpet in the lobby.

Part A: What is the total area of the hotel lobby floor?

The diagram below represents the shape of the floor of a hotel lobby. The hotel plans on replacing the carpet in the lobby.
Part B:  If the new carpet costs $1.75 per square foot, how much with the hotel spend on new carpet?
       

Paul built a triangular garden in his backyard, which is enclosed by a rectangular fence.

How much of the backyard is not covered by the garden?

• 452 $m^2$

• 476 $m^2$

• 524 $m^2$

• 548 $m^2$

Find the area of the composite figure Above.

• 22 $ft^2$

• 30 $ft^2$

• 36 $ft^2$

• 38

  $ft^2$

Mr. Chen is painting one wall of a room in his attic. He needs to determine the area of the wall so he will know how much paint he will buy. The drawing above shows the dimensions of the wall.

Part A: Given the drawing, what is the area of the wall?