Question

After a dilating a square with a scale factor of 3, which describes the image of the square?

O Its sides are 1/3 as long as those of the original square.
O its sides are 3 times as long as those of the original square.
O Its sides are 3 units longer than those of the original square.
O Its sides are 3 units shorter than those of the original square.

Answer 1

2. It's sides are 3 times as long as those of the origanal square.

Explanation:

The scale factor is 3. So the scale of the sides of the orig. square to the image is 1:3. So, it is 3 times as large as the preimage.