Correct Answer – Option 4 : 5 cm, 7 cm and 9 cm

Ans: 4

Formula used:

(hypotenuse)² = (base)² + (height)²

Calculation:

This question will be solved by taking option

First we pick option 1

⇒ 5² + 12² = 25 + 144 = 169 = 13²

∴ option 1 satisfies condition of right angle triangle.

Now we take option 2

⇒ 3² + 4² = 9 + 16 = 25 = 5²

∴ option 2 also  satisfies condition of right angle triangle.

Now we take option 3

⇒ 6² + 8² = 36 + 64 = 100 = 10²

∴ option 3 also satisfies condition of right angle triangle.

Now we take option 4

⇒ 5² + 7² = 25 + 49 = 74 ≠ 9²

∴ values of option 4 are not satisfying condition of right angle triangle.