Question

Find the surface area of the ball. Leave the answer in terms of pi .d=68mm @Directrix

Answer 1

A ball is a sphere in this problem.

Answer 2

yea the picture was a tennis ball

Answer 3

Surface Area of Sphere

If the diameter is 68, then the radius is 34

A = 4 * π * r²

A = 4 * π * 34²

Answer 4

do i use the pi in this one

Answer 5

Keep pi as pi. Do not approximate.

Answer 6

how exactly do i do that

Answer 7

I got 4624π square mm

Answer 8

i got it

Answer 9

Good, next question.