The surface area formula is 4 x pi x r^2
Answer:
14
Step-by-step explanation:
The diameter of a circle is twice its radius
d=2r
Substitute 7 in for r
d=2*7
d=14
So, the diameter is 14
Hope this helps! :)
Average or round?
average: 22.35
rounded: 26 and 19
Hope this is what you wanted!
Answer:
342
Step-by-step explanation: