How to find the diameter of a circle when given the area?

Question

asked Apr 6, 2018 214k views

1 Answer

JCooke · Answer 1 · 2018-04-11T16:34:25+0000

hello :
the area of a circle is : A = π × r² r is ridus , if d is the diameter
you have : r = d/2 so : A = π × (d/2)²