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What is the sum of all the angles in any triangle?

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in Mathematics – Class 8 by (91.0k points)
What is the sum of all the angles in any triangle?

(a) 90°

(b) 180°

(c) 270°

(d) 240°

I had been asked this question at a job interview.

The origin of the question is Quadrilaterals in division Quadrilaterals of Mathematics – Class 8

1 Answer

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Best answer
Correct choice is (b) 180°

Easy explanation: : As we know that the sum of all the interior angles of any triangle is 180°. Sum of interior angles=(n-2)180°

Any triangles have three sides so n=3.

∴ Sum of interior angles=(3-2)180°

∴ Sum of interior angle=180°.

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