2 years ago

What would n be? please help

Mathematics

1 answer:

liraira [26]2 years ago

6 0

Answer:

n = 21 degrees

Step-by-step explanation:

the second triangle is isosceles, so the angles of the base are congruent

a triangle have the sum of the interior angles equals to 180

n + n + 138 = 180

2n = 42

n = 21

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