Question

A rectangle has a base of 3 inches and a height of 9 inches. If the dimensions are doubled, what will happen to the area of the rectangle?

It will be half of the original size.

It will be the same as the original size.

It will be four times the original size.

It will be one-fourth the original size

Answer 1

ok so if we have a triangle 3 by 9 and dimensions doubled that means that the rectangle would have the dimensions 6 by 18
so originally the area was 27
now the area would be 108
108/27= 4
it would be four times the original size

Answer 2

2length*2width=4length*width

Answer 3

It will be four times the original size. This is because 9 times 3 is 27, but 6 times 18 is 108, and 108 is four times as much as 27.