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Find the values of X and Y

Find the values of X and Y-example-1
User Txugo
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Answer:

Explanation:

after having found all the opposite angles (congruent/see drawing) we start from line d, which by definition is flat (180°) We find x

180 = 72 + (100 - x)

180 - 72 - 100 = -x

x = -8°

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Line e

12y is the opposite angle of 72°, therefore congruent

12y = 72

y = 72 : 12

y = 6°

Find the values of X and Y-example-1
User Sprose
by
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