Question

A right triangle has legs of length a and b, and hypotenuse of length c. Find the missing length.
(a=the square root of 5, c=3.)

Answer 1

Use pythagoras!

Answer 2

a^2 + b^2 = c^2

Answer 3

\[a^2 +b^2 + c^2 \]

Answer 4

yes, but how does it work with a square root?

Answer 5

(square root of 5)^2 = 5

Answer 6

\[(\sqrt{5})^2 + 3^2 = c^2 \]

root cancels with square:

\[\sqrt{5 + 9} = c\]

c = \[\sqrt{14}\]

Answer 7

oh ok thank you