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Klio2033 [76]
3 years ago
7

ZA and ZB are supplementary angles. If m_A= (5x + 25)° and m

Mathematics
1 answer:
andrew11 [14]3 years ago
5 0

Answer:

B = 70

Step-by-step explanation:

Supplementary angles add to 180

5x+25 + 3x+19 = 180

Combine like terms

8x+ 44 =180

Subtract 44 from each side

8x+44-44 =180-44

8x= 136

Divide by 8

8x/8 = 136/8

x = 17

We want to find B

B = 3x+19 = 3(17)+19 = 51+19 = 70

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