Question

In a ∆ABC, if angle b=40° and angle c=35°then angle c°=?

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Answer 1

Answer:

b = 40

c = 35

a = 180 - (40+35)

= 180 - 75

= 105

Answer 2

Answer:

the third angles measure = 105°

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Step-by-step explanation:

in a triangle, ∠A + ∠B + ∠C = 180°

# examine angle A as a variable a A.

=> A + 40° + 35° = 180°

=> A + 75° = 180°

=> A = 180° - 75°

=> A = 105°