In Quadrilateral ABCD, measured angle A - measured angle = 30 , find angle D .
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Hey there,
5x + 30 + x = 180
6x + 30 = 180
6x = 150
x = 25
Therefore, 5x + 30 = 5(25) + 30 = 125 + 30 = 155
The measure of angle C is 155.
Hope this helps!
Yuichiro13:
=_= What's this ... We've to find angle D..
that was an accident, i meant D is 155
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