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jeyben [28]
3 years ago
14

Please help thanks very much.

Mathematics
1 answer:
Tems11 [23]3 years ago
5 0
Question 1:

This question may look complicated, but we have some unnecessary info.

All we need to know that the angle next to y must also be 30 degrees because of alternate interior angles.

Thus, y + 30 = 180

Subtract both sides by 30

y = 150

Question 2:

Angle a must also be 36 because of alternate interior angles.

We also have a triangle.

We know that 36+77+?=139 because of alternate interior angles.

Let's find the ? angle.

? = 26

Now we know that a+b+?=180 because it's a triangle.

36+b+26=180

b=118

That's all we need. The last choice is the only answer that matches these two answers.

(If you want to find the value of c by solving for it, just see that there's a triangle where all the angles but c is known)

Have an awesome day! :)
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