Question

In quadrilateral ABCD, if ∠A = 60° and ∠B: ∠C : ∠D = 2: 3:7, then find ∠D

Answer 1

Let angle b,c,and d be 2x, 3x and 7x

now, we know that the sum of angles of a quad. is 360.

Therefore, THE ANSWER IS IN PIC