Question

25 1) Find the value of "x" in the diagram given. 58 to 112 100​

Answer 1

Answer:

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