Two straight lines intersect at point

MATHEMATICS · Single correct · CBSE · Mathematics · Lines and Angles · Lines and Angles

Problem

Two straight lines intersect at point OO. One of the angles is (6x−10)∘(6x - 10)^\circ and the angle vertically opposite to it is (4x+20)∘(4x + 20)^\circ. An angle adjacent to (6x−10)∘(6x - 10)^\circ is (4y+4)∘(4y + 4)^\circ. Find the value of yy. (a) 2222 (b) 2424 (c) 2121 (d) 1919

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