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What is the measure of ∠O in this quadrilateral?

What is the measure of ∠O in this quadrilateral?-example-1

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Since you know
a) there are 360 degrees in a quadrilateral
b) the values of angles M, N, and L
You can subtract all 3 of those angles from 360 to get the answer.

360-112-63-63 = 122 degrees.
angle O is 122 degrees.

Hope this helped you some. :)
User Sajad Bahmani
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