Respuesta :
Answer:
r=7.747
Step-by-step explanation:
round to what the question asks.
e.g
7.7
7.78
To get rid of a square, you have to square root the other side
So it becomes square root of 64.02 is equal to r
Which is 8
So it becomes square root of 64.02 is equal to r
Which is 8