Question

Acelus

AABC-AQRS
Find the missing side length, m.
Source
10
А
2
m = [?]

Answer 1

Answer: m=5

Explanation:

Because the triangles are similar, AC/QS = AB/QR

Substituting in the given side lengths,

2/4 = m/10

1/2 = m/10 -> m=5