Question

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The pair of triangles shown is similar. Find the missing side n.
n
2 yd
5 yd
21.5 yd

Answer 1

`n=8.6`

Explanation:

Corresponding sides of similar triangles have proportional side lengths.

`(n)/(2)=(21.5)/(5) \\ \\ (n)/(2)=4.3 \\ \\ n=8.6`