sarahaguirre21 sarahaguirre21

22-10-2020
Mathematics

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Find the unknown angle measure.

Find the unknown angle measure class=

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huniaibrahim05 huniaibrahim05

22-10-2020

Answer:

x=80

Step-by-step explanation:

The sum of interior angles in a quadrilateral is 360°

the square represents a right angle= 90 degrees

124+66+90=280

360-280=80

x=80

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