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In the adjoining figures, find out the value of x. |
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Answer» a) x=130° b) x=20° Step-by-step explanation: a) x is the EXTERIOR angle=sum of two INTERIOR angles=60+70=130° b) exterior angle=sum of two interior =)120=50+4x-10 =)120=4x+40 =)80=4x =)x=80/4=20° |
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