Math, asked by darrider1008, 2 days ago

In a quadrilateral ABCD , angle a + angle c is two times angle b + angle d . If angle a =140 degree and D=60 degree then angle b equals
A.60 degree
B. 80 degree
C.120 degree
D. none of these

Answers

Answered by chaudharymancy

0

Answer:

d)none of the above

Step-by-step explanation:

140+x+2x+60=360

200+3x=360

3x=360-200

3x=160

x=160÷3

x=53.33

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