Question

Solve the formula for the variable given.Then use the given information to find the value of the variable.
A=2πrw
Find r if w=4ft
And A=120ft square.
Please someone help me with this!!!

Answer 1

just sub in your values

120 = 2π(r)(4)
120/( 8π) = r

button pushing time!
(I would punch in ...

120
÷
8
÷
π
=

to get appr. 4.775