Question

In the given figure, if l || m and
angle a: angle b = 2:3 then find the value of angle y.
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Answer 1

y=72°

because... a:b=2:3 & and a+b=180°

so a=2×36=72°

then a=y (as L&m are parallel and n goes through them)

so y=72°

Answer 2

Answer:

hope it helps you

have a great day