If the legs of a right triangle adjacent to the right angle are $9$ cm and $12$ cm, what is the length of the hypotenuse

Question

If the legs of a right triangle adjacent to the right angle are $9$ cm and $12$ cm, what is the length of the hypotenuse?

Accepted Answer

$15$ cm

Answer

$13$ cm

Answer

$14$ cm

Answer

$21$ cm

If the legs of a right triangle adjacent to the right angle are 999 cm and 121212 cm, what is the length of the hypotenuse?