Answer:
Step-by-step explanation:
heya
divide 13 into 4 and you will get the answer.the answer is0.308
thanx
mark me as brainlest
The Formula is 4 x Pi x Radius Squared . surface area of sphere = 4 x pi x radius x radius where "x" indicates multiplication and pi = approximately 3.141592654 4 * pi * r^2