Question

in trapezium, find x
where angle a = 2x + 50 and angle d = 2x- 10​

Answer 1

Answer:

In ∥gm opposite angles are supplementary.

Therefore,

∠B+∠D=180

∘

2x+25+3x−5=180

∘

x=

5

180−20

=32

∠B=2x+25=(2∗32)+25=89

∘

∠D=3x−5=(3∗32)−5=91

∘