Question

ok

Answer 1

I need help knowing how to solve it.

Answer 2

It is a right traingle; thus we can use the pythagorean thm. Try to set it up as we did before in:
a^2 + b^2 = c^2 format

Answer 3

It is a special right triangle...the 45-45-90
Did you learn about those?

Answer 4

My apologies, I did not realize you are missing two sides and not any single side.

Answer 5

Yes, i've learned about them but they're really confusing to me.

Answer 6

the legs are equal and the hypotenuse is the leg multiplied by square root of 2

Answer 7

sin 45 = opp/ hypo

Answer 8

So y = 7 and x = 7(sqrt2)=7(1.414)=9.9

Answer 9

Oops, sorry Mertsj!

Answer 10

I'm still confused here..

Answer 11

triangle angles have to equal to 180 degrees