Question

(30)^2-(10)^2=(H)^2

Answer 1

\[h=\pm20\sqrt{2}\]

Answer 2

can u show how you got the answer

Answer 3

900-100= H^2 (square 30 and 10 and subtract.
800= H^2 (take the square root of both sides)
sqaure root (800) = H^2 (square root of 800 can be simplified to the first answer you received. sorry my formatting is terrible but that's the right answer!) :)
plus or minus 20*square root 2