Math, asked by prachi2455, 1 year ago

ab parallel cd in trapezium abcd if angle a =y+60angle b = x+60 angle c=3x-40 angle d= 3y-80 then find all angle of abcd

Answers

Answered by dev1209

1

angle a=110

b=100

c=80

d=70

dev1209: C=3X-40

dev1209: B+C=180

dev1209: SAME REASON

dev1209: (X+60) + (3X-40) = 180

dev1209: 4X+20 = 180

dev1209: 4X=160

dev1209: X=40

dev1209: ANGLE B = X+60=40+60=100

dev1209: C=80

dev1209: HENCE PROVED

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