Question

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Question 9 (Multiple Choice Worth 5 points)
(05.02 MC)
The angles shown below are supplementary:
10x
70°
What is the value of x?
O 100
O 110
O 20°
021

Answer 1

x=11

Explanation:

supplementary angles add up to 180 degrees

10x + 70 =180

10x = 110

x=11

11x10 = 110

110+70 = 180