Question

if two angle of tringle is 65,45then finde 3rd​

Answer 1

let the 3rd angle be x.

In a triangle, sum of the angles is 180 degrees.

》 65 + 45 + x = 180

》 110 + x = 180

》 x = 180 - 110 = 70

therefore, x = 70 degrees.

》 3rd angle = 70 degrees.