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andre [41]
3 years ago
5

Pls whoever answers this question will get brainliest and 5star!!!

Mathematics
1 answer:
GaryK [48]3 years ago
3 0

Answer:

1.  x=40

2.sometimes

Step-by-step explanation:

1.  <x and 40 are equal because they are vertical angles and vertical angles are equal.


2.   Adjacent angles are sometimes congruent.  Angles next to each other can be equal to each other, but they do not have to be.

2 ninety degree angles making a straight line are congruent.

A 50 and a 130 making a straight line are not congruent.

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