Question

can anyone check some of my answers?

Answer 1

Find the surface area of a sphere with a radius of 8 cm.
267.9 cm2
803.8 cm2
2143.6 cm2
201.0 cm2
on this one i said b 803.8 cm ^2

Answer 2

Find the volume of a sphere with a radius of 4 ft.
33.5 ft3
67.0 ft3
267.9 ft3
803.8 ft3
on this one i said c 267.9 ft ^3

Answer 3

@ritez

Answer 4

A pyramid has a height of 5 in. and a surface area of 90 in2. Find the surface area of a similar pyramid with a height of 10 in. Round to the nearest tenth, if necessary.
360 in2
180 in2
22.5 in2
3.6 in2
i said b on this one 180 in ^2

Answer 5

1) 201.0 cm2
2) 267.9 ft3

Answer 6

oops

Answer 7

is the third one right?

Answer 8

yes its correct

Answer 9

ok thx