Question

in ∆ ABC, angel A = 40° , angle B = 50°, angle C ____ what​

Answer 1

Answer:

angle C = 90°

Step-by-step explanation:

A+B+C =180°( angle sum property of triangle.)

C=180°-50°+40°

angle C = 90°.

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Answer 2

Answer:

We know that, sum of all angles of triangle is 180 degree.

Therefore, angle A + angle B + angle C = 180 degree

40 + 50 + C = 180

90 + C = 180

C = 180 - 90

C = 90 degree