riyamshnawa riyamshnawa

30-04-2021
Mathematics

contestada

can someone help me to solve the first problem only please I will mark you the brainly helpful answers pls!

can someone help me to solve the first problem only please I will mark you the brainly helpful answers pls class=

Respuesta :

NancyKT NancyKT

30-04-2021

Answer:

When 2 lines are parallel, the sum of interior corresponding angles = 180

120 + b = 180

b = 180 - 120 = 60

a + 30 = 180

a = 180 - 30 = 150

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