Question

In △JKL, KM is an altitude.



What is the length, in units, of JK?



15

10

Answer 1

10!!

Answer 2

the altitude drawn to the hypotenuse breaks up the right triangle into two similar right triangles so you can use proportion to solve for JK:
\[\huge \frac{JK}{20}=\frac{25}{JK} \]

Answer 3

is there more choices than just 10 and 15?

Answer 4

10 sqr root 5
5 sqr root 10

Answer 5

ha.... there it is...

Answer 6

solve the proportion and you'll get the answer..... cross multiply...

Answer 7

i got 500