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Mathematics, 27.02.2020 03:47 bear342

By the angle addition property,

We are given that and , so

We see that and are
And since lines and are parallel, and are
So,

We see that and are
And since lines and are parallel, and are
So,

Therefore,

The relationship between , , and is an example of the following rule.
The sum of the interior angle measures of a triangle is

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By the angle addition property,

We are given that and , so

We see that and...

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