Q. 1014.2( 5 Votes )

In Fig. 5.54, if l ||m, find the values of a and b.


Answer :

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x = 1800-1320 = 480(Forms a linear pair)


a = 1800-(650 + 480) = 670 (Interior angles of a triangle are supplementary)


a, b and y are supplementary


y = 650 (Corresponding angle)


b = 1800-(670 + 650) = 480


a = 670, b = 480


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