asked 172k views
5 votes
Find the length of side a.
5
4
a

Find the length of side a. 5 4 a-example-1

1 Answer

2 votes
use the pythagorean theorem

5^2 - 4^2 = a^2
25 - 16 = a^2
a^2 = 9
a = 3
answered
User Lanil Marasinghe
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