Question

What’s the scale factor? Please hurry I’m tired and sleep deprived help me I just don’t get it and I want sleep

Answer 1

In order to find the scale factor we begin by selecting one pair of corresponding sides.

Selecting the base of the triangle

Base of triangle AC is 3 units.

Base of triangle (AC)' is 7.5 units

According to the proportion

$AB\cdot k=(AB)^{\prime}$

REPLACE TH