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Mandarinka [93]
3 years ago
9

I don’t know how to get it

Mathematics
2 answers:
Kaylis [27]3 years ago
4 0

Answer:

3x+7+4x-16= 180 degrees

7x-9=180

7x=189

x= 27

yax= 3x+7

3*27+7= 81+7 = 88

IrinaK [193]3 years ago
3 0

Answer:

A

Step-by-step explanation:

∠ YAX and ∠ WAZ are vertical angles and congruent, thus

4x - 16 = 3x + 7 ( subtract 3x from both sides )

x - 16 = 7 ( add 16 to both sides )

x = 23

Thus

∠ YAX = 3x + 7 = 3(23) + 7 = 69 + 7 = 76° → A

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