If IJ=16 and JK=9, what is the length of HK⎯⎯⎯⎯⎯⎯?

The figure shows right triangle K H I with altitude H J to hypotenuse K I.

A. HK = 20
B. HK = 15
C. HK = 25
D. HK = 12

please help explain this to me thank you.

2 answers

triangles IJK and KHJ are similar
see what you can do with that.
@oobleck how are those similar one is straight
what do I need to do then