triangle PQR is right angled at R. If angle P measures 5x and angle Q measures 2x, the value of x is
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Step-by-step explanation:
The angles of Quadrilateral are x,5x,2x+10,x+80
The sum of angles in quadrilateral is 360
x+5x+2x+10+x+80=360
9x+90=360
9x=360−90
9x=270
x=30
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