Question

In a triangle ABC , if |A = 80° and B = 40° then C =
a) 80°
b) 60°
c) 120°
d) 40°​

Answer 1

Answer:

b) 60°

Step-by-step explanation:

We know sum of all angles in a traingle = 180°

A + B + C

=> 80° + 40° + C = 180°

=> C = 180°- 120°

=> C = 60°

Answer 2

Answer:

Answer = 60 °

Step-by-step explanation:

Given A= 80°

B = 40°

C = ?

The sum of a triangle measure =180°

Angle

A + B + C = 180°

80° + 40° + C = 180°

120°+ C= 180°

C = 180° - 120°

C = 60°

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