Question

What is the length of the hypotenuse of the triangle below?

Answer 1

http://media.apexlearning.com/Images/200706/01/abbc06e7-f093-4290-9d07-134c2fe90a5e.gif

Answer 2

use the pythagoras theorem

h^2 = (9 sqrt2)^2 + (9 sqrt2)^2

Answer 3

can you work out the square of 9 sqrt2

9 * 9 * sqrt2 * sqrt2

Answer 4

Hint: by definition sqrt a * sqrt a = a

Answer 5

sqrt means square root

if we replaced a by 2 in the above what would we get?

Answer 6

I literally do not understand -_- its all giberish to me tbh