ABCD is a trapezium in which AB II DC. Angle A= 2x+y+15, Angle B= 4x, Angle C= x+y-5 and angle D= 3y/2 .Find the measure of x & y.
Answers
Answered by
0
Sumof Measure of co interior angles of a trapezium = 180°
2x+y+15 + 4x = 180°
=> 6x + y = (180-15 ) = 165°
=> y = (165 -6x )
Also ,
x+y-5+3y/2 = 180°
=> 2x -10 +5y = 2x180°
=> 2x +5y. = 360 -10
=> 2x + 5(165-6x) = 350
=> 2x -30x +.825 = 350
=> -28x. =. 350 - 825
=>. x. =. 475/28
Similar questions