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In Fig., if l || m, what is the value of x?A. 60B. 50C. 45D. 30 |
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Answer» Given that, l ‖ m Let, ∠1 = 3y ∠2 = 2y + 25° ∠3 = x + 15° ∠1 = ∠2 (Alternate angle) 3y = 2y + 25° y = 25° ∠2 = ∠3 (Vertically opposite angle) x + 15° = 2 (25°) + 25° x = 60° |
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