3abel6
3abel6
21-06-2018
Mathematics
contestada
What is the value of n?
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choixongdong
choixongdong
21-06-2018
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
Answer Link
Аноним
Аноним
21-06-2018
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.
Answer Link
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