Question

For numbers 1–3, find the indicated measurement of the figure described. Use 3.14 for and round to the nearest tenth.

1. Find the surface area of a sphere with a radius of 8 cm. (1 point)
267.9 cm2
803.8 cm2
2143.6 cm2
201.0 cm2
2. Find the surface area of a sphere with a diameter of 12 m. (1 point)
452.2 m2
150.7 m2
113.0 m2
904.3 m2
3. Find the volume of a sphere with a radius of 4 ft. (1 point)
33.5 ft3
67.0 ft3
267.9 ft3
803.8 ft3
4. For the pair of similar solids, find the value of the variable.


(1 point)
3 cm
18 cm
16 cm
2 cm

Answer 1

please help!

Answer 2

here is a hint...the surface area of a sphere...can be determined with the equation...

\[4 \pi r ^{2}\]

and r is the radius of the sphere

Answer 3

also the volume of a sphere can be determined with the equation

\[4/3 \pi r ^{3}\]

Answer 4

thanks!(:

Answer 5

anytime :) glad to help :)