Question

question 2
△cad∼△hgd, cd=15, hd=45, and ac=6.
what is gh?
options: 18, 3, 2, 15

Explanation:

Step1: Find similarity ratio

Ratio = $\frac{HD}{CD} = \frac{45}{15} = 3$

Step2: Calculate GH

GH = AC × ratio = $6×3 = 18$

Answer:

18