rachelsanchez7 rachelsanchez7

29-01-2020
Mathematics

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don’t even know help??????????

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Respuesta :

fatemehkorea fatemehkorea

29-01-2020

Answer:

x = 5

m∠A = 85°

Step-by-step explanation:

15x + 10 + 3x + 15 + 15x - 10 = 180

15x + 3x + 15x = 180 - 10 - 15 + 10

33x = 165

x = 165/33

x = 5

m∠A = 15*5 + 10 = 85°

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