Question

Help me to understand this

Answer 1

Triangle....
three angles of any triangle have sum equals 180
so
m<A + m<B +m<C = 180 then substitute values and solve for x

I can't see clearly on m<A...is it the value 35? if so
x+35+65 = 180
x+100 = 180
x = 180 -100
x = 80