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Illusion [34]
3 years ago
8

Find the measure of the missing angles. 83°C b

Mathematics
1 answer:
harina [27]3 years ago
3 0

Answer:

m\angle b=97^{\circ},\\m\angle c= 97^{\circ}

Step-by-step explanation:

Vertical angles are angles on opposites sides of an intersection of two lines. Therefore, \angle c and \angle b are vertical angles. Similarly, the angle opposite to the angle marked 83 degrees is also equal to 83 degrees. Vertical angles are always equal.

Since there are 360 degrees in a circle, we have the following equation:

\angle c+\angle b+83+83=360,\\2\angle c+166=360,\\2\angle c=194,\\\angle c=\frac{194}{2}=\boxed{97^{\circ}}

Since \angle c and \angle b are vertical angles and vertical angles are also equal, the measure of angle b is also \boxed{97^{\circ}}

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