Straight Lines | Intercept Form Of A Straight Line

Straight Line L2

Straight Lines L1

Formula OF straight line

Straight Line In Space

Motion In A Straight Line

Straight Line Method

Motion Along Straight Line

Various form OF straight line

Different Form Of Equation Of Straight Line

There are 15 points in a plane, no three of which are in the same straight line with the exception of 6, which are all in the same straight line. Find the number of i. straight lines formed, ii. number of triangles formed by joining these points.