shealaverty shealaverty

15-03-2021
Mathematics

contestada

ZA and ZB are supplementary angles. If mZA = (5x + 25)° and m
ZB = (x + 17)°, then find the measure of ZA.

Respuesta :

thutontshingila thutontshingila

15-03-2021

Answer:

MZA = 140

Step-by-step explanation:

5x+25°+ x + 17°=180°(Supplimentary Angles)

6x + 42° =180°

6x =180 - 42

6x=138

(divide by 6 both sides)

X= 23

substitution X into the given angle

5x +25

5(23)+25

115+25

140

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