Question:
In a ΔABC, if ∠A = 55°, ∠B = 40°, Find ∠C.
Solution:
Given Data:
∠B = 55°, ∠B = 40°, then ∠C = ?
We know that
In a ΔABC sum of all angles of a triangle is 180°
i.e., ∠A + ∠B + ∠C = 180°
⇒ 55° + 40° + ∠C = 180°
⇒ 95° +∠C = 180°
⇒ ∠C = 180° − 95°
⇒ ∠C = 850°