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02-11-2020
Mathematics

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If m∠1 = 42, what must the measure of ∠7 be in order to prove a || b?
A. 42
B. 48
C. 138
D. 90

Respuesta :

skyecarrillo1048 skyecarrillo1048

02-11-2020

Answer: 90

Step-by-step explanation:

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