Question

If the radius and height of a cylinder are multiplied by 4, the lateral area of the cylinder is multiplied by

2.
4.
8.
16.

Answer 1

@stabar

Answer 2

Sorry I cant help much with this but im shure @Mertsj can

Answer 3

The lateral area is 2pirh
So if r becomes 4r and h becomes 4h, then the formula is"
2 pi (4r)(4h)
So the old area was 2 pirh
and the new area is 2(16)pirh
Compare the old with the new.