Question

The smaller triangle was dilated to form the larger triangle. What is the value of x?

6.9
7.5
10
11

Answer 1

7.5

Explanation:

Answer 2

we know that
scale factor=measure larger triangle/measure smaller triangle---->18/12
scale factor=1.5
so
measure larger triangle=scale factor*measure smaller triangle

for the leg in the smaller triangle equal to 5
measure larger triangle=1.5*5-----> 7.5

the answer is
7.5