Question

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Answer 1

Answer:

It's answer is C. 65°

Step-by-step explanation:

we know that exterior angle of a triangle is equal to the sum of two opposite interior angle

y + y = 130° <exterior angle of a triangle is equal to the sum of two opposite interior angle >

2y = 130°

Therefore y = 65°

Answer 2

Answer:

c) 65

Step-by-step explanation:

subtract the angle given by 180 because a straight angle is = to 180 so any number subtracted by 180 will give you the adjacent angle.

180-130=50

The angles inside a triangle when added are equal to 180. Since you just found out the angle measure in the uppermost corner which was 50. So now you subtract 50 from 180.

180-50= 130

You know that the y variable is congruent for both y's so they will have the same angle measure and you can divide the 130 by 2

130/2= 65