Question

MEDAL!~ Verify my answer please.
What is the area of an isosceles right triangle if the side opposite the right angle is 4 in?
my answer: approx 5.66in^2

Answer 1

hmm wait a second... I got the wrong 4 =)
ok so the hypotenuse is 4

Answer 2

lol yeah was about to type that <:D

Answer 3

though, I'm confused. What should I use? Pythagorean or trigo functions? D:>

Answer 4

and when should I use them? sorry for the questions xD

Answer 5

\(\bf \cfrac{1}{2}\cdot 2\sqrt{2}\cdot 2\sqrt{2}\implies \cfrac{4\sqrt{4}}{2}\implies 4
\)