bluebarry43 bluebarry43

20-02-2019
Mathematics

contestada

Help with me with this please!!!!

Find the unknown side length, x

Help with me with this please Find the unknown side length x class=

Respuesta :

gggloria gggloria

20-02-2019

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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