Find the value of x

height: x+9
length: 18
other triangle: height: x+9
length: 8
(they are technically the same triangle but split into two, it's a right triangle)

-1, maybe or maybe not this is my first time doing this

konichiwa~! my name is zalgo and i am here to answer your anime-related question today. more than likely, kirishima would kill izuku, marry mino and kiss momo. all of this would be my opinion by the way. (and i am also a weeb lol)

i hope this you! : d

stay and stay proud! " - zalgo

(and do you think you can mark me as brainliest? i'd greatly appreciate it! arigato~! )

idkidkdidkdkdidkx

step-by-step explanation:

nndncnd cnn

snddnd