Question

The surface area of a sphere with radius 1.25 miles is 19.63 miles2.
Answer

True

False

Answer 1

false

Answer 2

anybody else agree

Answer 3

surface area = 4 pi r^2

Answer 4

It's true.

Answer 5

you have to use deg on a calculator to get true ok wrong function

Answer 6

\[Surface~area~=~4*\pi*r^2\]

Answer 7

dexter is right

Answer 8

e

Answer 9

i used wrong function

Answer 10

Yes. It is true. Try calculating the value with the formula for the surface area of a sphere.

Answer 11

considering\[pi=3.14\]\[S=4*3.14*1.25^2\approx19.63\]