Q. 885.0( 3 Votes )

A road crosses a railway line at an angle of 30° as shown in Fig.5.45. Find the values of a, b and c.


Answer :


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Let x = 300


y = x = 300 (Corresponding angle)


c = 1800-300 = 1500( Forms a linear pair with y)


1 = y = 300 (Vertically Opposite)


a = 1 = 300 (Corresponding angle)


2 = 1800-300 = 1500( Forms a linear pair with a)


b = 2 = 1500 (Alternate interior angle)


a = 300, b = 1500, c = 1500


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