In the given figure, find the value of x. Given that AB || DE. (in degree)
Explanation:
Let us draw a line through C parallel to AB.
Now,∠BCL + ∠ABC = 180° ⇒ ∠BCL = 180° - 120° = 60°
Similarly,∠MCD + ∠CDE = 180° ⇒ ∠MCD = 180° - 100° = 80°
Now, ∠BCL + x + ∠MCD = 180° ⇒ x = 180° - 60° - 80° = 40°
Hence, 40.
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