Try Out / Find measures of all the four angles of a quadrilateral if two of them are twice of the third and fourth is 20° more than the sum of two equal angles.
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Step-by-step explanation:
please rewrite the question
or
click the photo with your book
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Step-by-step explanation:
is 4th angle 20+x
or
20+x+x
angle will be in decimal but it is wrong
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