Question

11. One angle of a triangle ABC is 40° and the other two angles are equal Find the
measure of each angle​

Answer 1

Answer:

Let the 2 equal angles be x each.

Therefore by angle sum property of triangle

X + X + 40= 180°

2X = 140

X = 140/2

X = 70°

Therefore bothe the angles are 70°

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Answer 2

Step-by-step explanation:

let the three angles be angle A,angke B,angle c

angle A=40°

angle B=angle C

angle A+angle B+angle C=180°

40°+2x=180°

2x=180-40=140°

2x=140°

x=70°

angleA=40°

angle B=70°

angle C=70°

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