ABCD is a trapezium in which AB II DC . If < A = < B = 40 , what are the measures of other two angles
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is any length given between the parallel lines or is the length of the line given bcoz its impossible to find this only one the fact that angle A and B =40 degree.there must be some more information.
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<A=<B=40then sum of trapezium =180
let all angle to be x then
x+x+x+x=180
<A+<B+2x=180
40+2x =180 then
2x=180-40
2x=140
x= 140/2
x=70
let all angle to be x then
x+x+x+x=180
<A+<B+2x=180
40+2x =180 then
2x=180-40
2x=140
x= 140/2
x=70
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