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Hello, please I will kindly ask if you take your time to help me with this math question

Hello, please I will kindly ask if you take your time to help me with this math question-example-1

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Answer:

The answer to your question is below

Explanation:

9)

They are supplementary angle. The sum of supplementary angles is 180°.

b + 50 = 180

-Solve for b

b = 180 - 50

b = 130°

10)

They are vertical angles. Vertical angles measure the same

b = 43°

11)

They are vertical angles. Vertical angles measure the same.

b = 73°

12)

They are supplementary angles. The sum of supplementary angles is 180°

b + 35 = 180

-Solve for b

b = 180 - 35

b = 145°

User Mohammad Kermani
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