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Find all missing angles in the diagrams below, please help​

Find all missing angles in the diagrams below, please help​-example-1

2 Answers

4 votes

Answer:

x = 80,

y = 80

Explanation:

This is difficult to explain, so here are the theorems used

two lines parallel, with a transversal; alternate interior angles,

verticle angles theorem,

parts - whole postulate,

verticle angles theorem,

parts- whole postulate,

sum angles in a triangle,

supplementary angle, definition straight angle,

parts- whole postulate,

there are many other ways to reach the answer, I just whent this way.

User Nikolay R
by
6.9k points
4 votes

Answer:

x= 80°, y= 100°

Explanation:

Please see the attached picture for the full solution.

Find all missing angles in the diagrams below, please help​-example-1
User Trunk
by
8.2k points

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