Question

In triangle ABC , if∠ A = 72° , ∠ B = 63° , find ∠C

Answer 1

Answer:

given angle A=72degrees and angle B =63degrees

let's take angle C=x

as we know angleA + angle B + angle C =180degrees

=72+63+x =180

135+x =180

send 135ti the side of 180

=180-135=45

therefore x =angleC = 45

Answer 2

Answer:

∠C=45°

Step-by-step explanation:

∠ A+∠ B+∠C=180° [sum of any triangle is 180° ]

72° +63° + x=180° [Let c indicate ∠C]

Bring x to the left end ,

x = 180-72-63

x = 45°

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