the three angles of a quadrilateral are in the ratio 4:6:3. if the fourth angle is 100° ,find the other three angles of the quadrilateral
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4x+6x+3x+100=360
13x+100=360
13x=360-100
13x=260
x=20
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Answer:
4x+6x+3x+100=360
13x+100=360
13x=360-100
13x=260
x=20
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