Question

solution to a maths problem class 9 lines and angles. plz answer an expert

Answer 1

This is the answer if ur question

Answer 2

If AB // CD
so , <ABD + <BDC = 180° (Co interior angle)
( y + 2y + y )+ 5y = 180°
y + 2y + y + 5y = 180°
9y = 180°
y = 180°/9
y = 20°


Hope it helps you