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ladessa [460]
4 years ago
13

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

Mathematics
1 answer:
Finger [1]4 years ago
5 0

Answer:

The answer to your question is below

Step-by-step 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°

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