Answer:
Explanation:
Given: ∠A =75°, ∠B=60° and ∠C=x
To find: ∠C
Proof: In △ABC
∠A =75° (given)
∠B=60° (given)
∠A+∠B +∠C=180° (angle sum property of a triangle: states that the sum of interior angles of a triangle is 180°)
75°+60°+∠C=180°
∠C=180-75+60
∠C=180-135°
∠C=45°
Therefore is 45 degrees.