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10 votes
Can someone explain how to find

Can someone explain how to find-example-1

1 Answer

10 votes

Answer:

155°

Explanation:

<O=24

<P=2x+9

<N=180-(3x-28) (It’s the supplement of 3x-28)

Add them together to equal 180. (180 is the sum of the 3 interior angles of a triangle.)

24+2x+9+180-(3x-28)=180

24+2x+9+180-3x+28=180

-1x+241=180

-1x=-61

x=61

Now that we’ve solved for x, plug it back into <MNO

<MNO=3x-28=3(61)-28=183-28=155°

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