Q. 303.7( 3 Votes )

In Fig. 5.25, lin A. 126°

B. 144°

C. 136°

D. 154°

Answer :

x and y are complementary pairs while y and z are supplementary pairs.


POR + QOR = 1800( Forms a linear pair)


QOR = 900


Let x = 3t, y = 2t


QOR = x + y


QOR = 5t


900 = 5t


t = 180


y = 2t = 360


y + z = 1800


z = 1800-360


z = 1440

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