9) Calculate for x in the figure given below.
a
bai
9
555
А A
Answers
Answered by
1
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=78o
Put in (1)
x=78+40=118o.
Similar questions