.......... are not the measures of sides of a | vedclass

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(D) triangle is right-angled if the square of the longest side is equal to the sum of the squares of the other two sides (Pythagoras theorem).For opti

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$8, 24, 26$

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(D) triangle is right-angled if the square of the longest side is equal to the sum of the squares of the other two sides (Pythagoras theorem).For option $A$: $5^{2} + 12^{2} = 25 + 144 = 169 = 13^{2}$. This is a right-angled triangle.For option $B$: $3^{2} + 4^{2} = 9 + 16 = 25 = 5^{2}$. This is a right-angled triangle.For option $C$: $7^{2} + 24^{2} = 49 + 576 = 625 = 25^{2}$. This is a right-angled triangle.For option $D$: $8^{2} + 24^{2} = 64 + 576 = 640$,while $26^{2} = 676$. Since $640 
eq 676$,these are not the sides of a right-angled triangle.

.......... are not the measures of sides of a right-angled triangle.

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