Question

A = r2

Which of the following equations can be used to solve for the radius (r)?

Answer 1

what equation do i use for this?

Answer 2

for which fig

Answer 3

can you give any hint

Answer 4

With this info there is no possible way to determine a logical equation that is equivalent to the trigonometrical function that you are trying to create.

Answer 5

well what info do you need? thats all it gave me

Answer 6

I need to know A or the radius or any dimensions of the circle