Question

Please help me ASAP
And please answer my other questions

Answer 1

Hello!

If all of the dimensions are multiplied by 3, the volume will also be multiplied by 3.

Our answer is A) 3.

I hope this helps!

Answer 2

We know the formula for volume of cylinder of given by

V = π r² h

If the dimensions are tripled, new volume will be :-

V' = π (3r)² (3h) = π (9r²) (3h) = 27 π r² h = 27 V

We can see new volume is 27 times original volume.