Question

give reasons for the following figure

Answer 1

it is parallel to each other

as 63 and 117 is a supplementary ANGLE
63 +117 = 180°( alternate opposite angles are supplementary)



so a l l b



Hope it will help you

Answer 2

yes lines a and b are parallel to each other
as angles opposite to each other in parallel lines = 180
so when u add 117 + 63 = 180
so the lines a and b are adjacent to each other