Question

how do you find the length ?

Answer 1

Pythagoras Theorem
\[a ^{2} + b ^{2 } = c ^{2}\]

Answer 2

we can take KJ as 'a'
JL as 'c'
and KL as 'b'

c is going to for sure be JL because it has to be hypotenuse

Answer 3

so now you do have 'c' and 'a'
so find b

Answer 4

rearrange the equation you will get it like this
\[c ^{2}- a ^{2} =b ^{2}\]

Answer 5

oh okay thank you !

Answer 6

so \[b =\sqrt{c ^{2}- a ^{2}}\]

Answer 7

you are welcome :)))