36. The value of
DEC
(e) is -
Di
Answers
Answered by
0
Answer:
We know that in any triangle, exterior angle is equal to the sum of the interior angles opposite to it.
In △ABC,
∠ACD=∠ABC+∠CAB
∴∠ACD=70
o
+50
o
=120
o
also, ∠ACD=∠ECD=120
o
Considering △ECD,
∠ECD+∠CDE+∠DEC=180
o
120
o
+22
o
+∠DEC=180
o
∠DEC=180
o
−142
o
∠DEC=38
o
Similar questions