_______y_______
\ 45/
\ /
sqrt 2 \ / x
\ /
\ /
\ 90/
\ /
(answered by Alan3354)| \
|45\
(answered by Alan3354)(answered by Alan3354,TeachMath)
/|\
(answered by Alan3354) /|\
(answered by Alan3354) ____3_____________x______
(answered by Alan3354)...(answered by Alan3354)
...(answered by josgarithmetic)
(answered by addingup)