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What is the value of n?
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2 votes
What is the value of n?

What is the value of n?-example-1
User Dman
by
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2 Answers

4 votes
133 = 38 + m angle adjacent to n (exterior angle of triangle theorem)
so m this angle = 133 - 38 = 95 degrees
Thus m n = 180 - 95 = 68 degress

Its option A.

User Isy
by
5.5k points
6 votes
An exterior angle of a triangle is equal to the sum of the opposite interior angles

so
n = (180 - 133) + (180 - 142)
n = 47 + 38
n = 85

answer is A. 85
User Stephen DuMont
by
5.4k points
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