Question

If one leg of a right triangle is 3 cm, and the hypotenuse is 5 cm, what is the length of the other leg?

Answer 1

Answer: 4cm

Explanation:

Let the unknown side be x , then

from Pythagoras rule :

`x^(2)` =
`5^(2)` -
`3^(2)`

`x^(2)` = 25 - 9

`x^(2)` = 16

x = 4