Question

Brennan is making a poster for the drama club’s new production. It is a regular pentagon with side lengths of 12 inches. The school wants to put up a giant replica of the poster during athletic events.

If the length of each side is 8 times the original, how many times larger is the area of the replica than the area of the original?

Answer 1

@experimentX ?

Answer 2

8^2 times

Answer 3

if the figure is enlarged by some factor,
in area it's factor squared times original
in volume it's factor cubed times original

Answer 4

@SMISHRA I'm confused. Could you please look at this?

Answer 5

shall we go back to basic?

Answer 6

Okay.

Answer 7

Two SIMILAR triangles here. I have enlarged it 5 times.
Area A1=(1/2). bh
Area A2=(1/2). 5b. 5h= 5^2 .Area of A1
Is it clear ?