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Cory is lining the top of a table with clear plastic. The table has a circumference of 4.71 feet. How many square feet of plastic will he need to cover the tabletop? Use 3.14 for π and round to the nearest tenth.

Cory will need __________ square feet of plastic.

 Apr 23, 2021
 #1
avatar+121002 
+1

Solve  for the radius

 

4.71  = 2 (3.14)  *  r

 

r =   4.71  /   ( 2 * 3.14)  =  .75 ft

 

Plastic needed    =   (3.14)  (.75)^2   =    1.8  sq ft

 

 

cool cool cool

 Apr 23, 2021
 #2
avatar+109 
+1

Thank you!

XxMysteriousGirlxX  Apr 23, 2021

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