SOLUTION: ABCD is a quadrilateral. If measure of angle A is 3x+10, angle B is 3x+20 and angle C is 2x+5, Find measure of angle D.
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Question 346548: ABCD is a quadrilateral. If measure of angle A is 3x+10, angle B is 3x+20 and angle C is 2x+5, Find measure of angle D.
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
The sum of the angles in a quadrilateral is 360.
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