Question

in given figure show that x=180+a+b+c??​

Answer 1

Answer:

Yes

Step-by-step explanation:

Take ∆ CDE (say, where there is a cross)

180-x +c +d = 180

Or, c+d = x ........(1)

Also,

180-a + b + (180-d) = 180

180+b = d + a

180 + b = x-c + a (from 1)

180-a + b + c = x