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Pythagoras theorem can only be applied on ________ triangles.

(a) equilateral

(b) isosceles

(c) right angled

(d) isosceles right angled

This question was posed to me in semester exam.

This interesting question is from Pythagorean Triplet in portion Squares and Square Roots of Mathematics – Class 8

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Right option is (c) right angled

The explanation: Pythagoras theorem can only be used on right angles triangles. As a result only the option stating right angled triangles would be correct and the others would be incorrect.

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