I just don't get this in general
I just don't get this in general
I hope this helps you
in 30-60-90 triangle
30 => k=HJ
60=> k square root of 3=HI
90=> 2k=JI
2k=12 square root of 23
HJ=k=6 square root of 23
HI=k square root of 3=6 square root of 69
m (J)=60