Question

Find x in the given figure below.​

Answer 1

Answer:

Correct option is

A

118

o

Produce CD to cut AB at E.

Now, ΔBDE, we have

∠CDB =∠CEB+∠DBE

x=∠CEB+40 ………..(1)

In ΔAEC

∠CEB=∠CAB+∠ACE

∠ CEB =48+30=78

o

Put in (1)

x=78+40=118

o

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