Q. 255.0( 2 Votes )

In Fig. 8.137, if A. 108°

B. 80°

C. 100°

D. 90°

Answer :

Given that,

AB HF and CD cuts them


HFC = FDA (Corresponding angle)


FDA = 28o


FDA + FDE + EDB = 180o (Linear pair)


28o + FDE + 72o = 180o


FDE = 80o

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