Question

3) Find the value of x in the given figure.

37
37
12​

Answer 1

Answer:

ANSWER

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 degrees

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