Question

What is the perimeter of a right triangle with legs 6 cm and 3 cm? Leave your answer in simplest radical form.

Answer 1

You can use the pythagorean theorem for this. a^2 + b^2 = c^2
1) 6^2 + 3^2 = ?
2) 36 + 9 = 45 <=square rooting this...
3) √45 => 3√5 cm of the hypotenuse
4) 6 + 3 + 3√5 = 9 + 3√5