+0  
 
+2
33
2
avatar+51 

never was good at geometry help with this 

 

ft 

ft2

ft3

slim22  Nov 29, 2017
Sort: 

2+0 Answers

 #1
avatar+505 
0

r = 6, d = 12, a = \(9\pi\)

helperid1839321  Nov 29, 2017
 #2
avatar
0

Circumference = Diameter x Pi

C = 12 x Pi - Feet

D = 12 Feet 

Radius = Diameter / 2

R = 12 / 2 = 6 Feet

Area =Radius^2 x Pi

Area =6^2 x 3.141592

Area =36Pi - Square feet, or ft^2.

Guest Nov 29, 2017

4 Online Users

We use cookies to personalise content and ads, to provide social media features and to analyse our traffic. We also share information about your use of our site with our social media, advertising and analytics partners.  See details