in the adjioing figure if angle a is congruent to angle b then write only a proof to prove that line l is parallel to line m.
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Proof :Angle b=h [vertically opposite angles]
as a=b=h
a=h (if corresponding sides are equal then it's proved that
u can also prove it taking other angles also ....
as a=b=h
a=h (if corresponding sides are equal then it's proved that
u can also prove it taking other angles also ....
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