Question

Abc is right-angled at



c.If ac=5 cm and bc= 12 cm find the length of ab

Answer 1

Use Pythagoras theorem to solve it...

Answer 2

ʰᵉʸᵃ ᵐᵃᵗᵉ ʰᵉʳᵉ ⁱˢ ʸᵒᵘʳ ᵃⁿˢʷᵉʳ 

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●Let ab be the hypotenuse and ac be the height. Apply Pythagoras Theorem.

Let ab be denoted by x.

$\sqrt{ {5}^{2} + {12}^{2} } = \sqrt{25 + 144 } = 13$

Hence 13cm is the required answer .