4 years ago

Help with me with this please!!!! Find the unknown side length, x

1 answer:

4 0

Answer: b) sq. root of 65

use pythagorean theorem to solve
a2+b2=c2
3^2+b^2=5^2
9+b^2=25
b^2=16
b=4
apply to other triangle for second leg
7^2+4^2=c^2
49+16=c^2
65=c^2
sq root of 65= c

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