Question

If ∆ABC is congruent to ∆DEF ,angle a =30°,angle b= 50°,angle f=?

Answer 1

If Angle A = 30° and Angle B = 50°
Therefore,
In ABC, we get;
Angle (A + B + C) = 180°
=> 30° + 50° + ANGLE C = 180
=> Angle C = 100°
Now,
ABC and DEF are congruent to each other
Since, Angle F = Angle C = 100°

Answer 2

Hope it will help you....