Question

In the given figure CD is parallel to AB then ∠y is?

A 40° Correct Answer Incorrect Answer
B 60° Correct Answer Incorrect Answer
C 80° Correct Answer Incorrect Answer
D 100° Correct Answer Incorrect Answer

Solution

If as per the figure CD is parallel to AB, CD∥AB Then ∠3x° = ∠y° (corresponding angles) Total of interior angle of ∆ABC = 180° Then, 2x + 3x + 4x = 180° 9x = 180° x = 20° Then ∠3x° or ∠y° = 60°

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