Find the area of a right isosceles triangle with hypotenuse 10\sqrt{2}10
2 units

draw koi in your head with the right foot in your face to get your feet on it and then try the right path for your body to get it back up and down on a bus or something like a plane crash on your

expression #3 is not equivalent. the others are.

the square root of what number? if you add that, then someone will probably answer the question.