Question

If HI = JK , what is the length of HK ?

Answer 1

Based on the graph here is the equation
3x-4=x+2
2x=6
x=3
HK=HI+IJ+JK
HI=3.3-4=5
IJ=7.3-9=12
JK=3+2=5
HK=5+12+5=22