In the given figure l || m. Find the values
of a, b and c.
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Answer:
If l is parallel to m, then ∠a = 45°, ∠c = 55°, and ∠b = 180 - (a + b)°
= 180 - (45 + 55)° = (180 - 100)° = 80°
∠a = 45°
∠b = 80°
∠c = 55°