backoffnatesmine12 backoffnatesmine12

10-07-2017
Mathematics

contestada

please help!
find the measure of angle C

please help find the measure of angle C class=

Respuesta :

10-07-2017

We have to find x.

5x + 9 = 7x + 3

6 = 2x

3 = x

Plug 3 for x to find the angle.

7x + 3 -> 7(3) + 3 -> 21 + 3 = 24

One angle is 24, and the other is 90, so to find <C you do this:

<C + 24 + 90 = 180

<C = 66

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