Q. 14.3( 22 Votes )
In a Δ ABC, if ∠A = 55°, ∠B = 40°, find ∠C
Given, ∠A = 55o
∠B = 40o and ∠C =?
We know that, In sum of all angles of triangle is 180o
∠A + ∠B + ∠C = 180o
55o + 40o + ∠C = 180o
95o + ∠C = 180o
∠C = 85o
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