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Sides of triangles are given below. Dete...

Sides of triangles are given below. Determine which of the them are right angled triangle.
(i) 8, 15, 17 (ii) 20,30,40
(iii) 11,12,15 (iv) 20 ,16 ,12

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The correct Answer is:
(i) and (iv) are right angled triangle
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