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dusya [7]
3 years ago
14

Use the following diagram for questions 4 - 6.

Mathematics
1 answer:
jonny [76]3 years ago
8 0

Answer:

1. C

2. B

3. B

Step-by-step explanation:

Vertical angles are the angles opposite each other when two lines cross, thus angles with measures (x+77)° and 126° are vertical angles.

Vertical angles are congruent.

Hence,

x+77=126\\ \\x=126-77\\ \\x=49^{\circ}

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