EACH figuregiven belowshows apair of parallel lines cut by transversel.each case find a and b,giving reason
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Step-by-step explanation:
) a + 140° = 180° (Linear pair)
a = 180° - 140° = 40°
But b = a (Alternate angles)
= 40°
a = 40°, b = 40°
(ii) l II m and p intersects them
b + 60° = 180°
b = 180° - 60° = 120°
And a = 60° (Corresponding angle)
a = 60°, b = 120°
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