Question

8. Find the length of the hypotenuse of a night angled triangle if its perpendicular sides measure 5 cm
and 12 cm​

Answer 1

Answer:

The length of perpendicular sides measure 5 cm

perpendicular sides measure 5 cmand 12 cm

So

the length of the hypotenuse

= √5² + 12² cm

= √ ( 25 + 144) cm

= √ 169 cm

= 13 cm

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Answer 2

Answer:

13 cm.

Step-by-step explanation:

Let height = h = 5 cm.

      base   = b = 12 cm.

      hypotenuse = x = ?

By applying the PYTHAGORUS theorem,

                       $h^{2}+b^{2} =x^{2}$

                =>   $5^{2} +12^{2} =x^{2}$

                =>   $x^{2} = 25 + 144$

                =>   $x^{2} =169 =13^{2}$

                =>   x = 13 = hypotenuse.