Given line, AB is perpendicular to the given line l. What is the difference between CH and FH (in units)?
6
4
7
3
CH=6
FH=2
CH−FH
=6−2=4(=CF)
Given that, line L is perpendicular to line AB. What is the difference between CK and FK?
Acute angle between the lines represented by (x2+y2)√3=4xy is