+0  
 
0
53
2
avatar

If the area of a circle is 254.34 cm2, what is the diameter of the circle? Use 3.14 for pi

 Dec 14, 2020
 #1
avatar
0

Area =  pi r^2

 

area/pi = r^2

sqrt (area/pi) = r      the diameter = 2r

 Dec 14, 2020
 #2
avatar+156 
+1

Area = pi*r^2

 

254.34 = pi*r^2

 

254.34 = 3.14*r^2

 

81 = r^2

 

r = 9

 

So, the diameter = 2r, so the diameter = 18.

 Dec 14, 2020

34 Online Users

avatar
avatar