Question

11. Find the value of x in the figure given below. 3x X i)​

Answer 1

Step-by-step explanation:

Correct option is A)

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

.