Question

this qsn answr is 35..solve it....

Answer 1

It is easy.

you know angle BCD = 180

if angle ACD = 150 angle ACB = 180 - 150 = 30

Sum of a triangle is 180

you got now 2sides the find angle B

180 -(80+30) = 180 - 110 = 70

now they asked 1/2 of angle B so 1/2 x 70 = 35