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In these videos we discuss how to find out the area of a triangle, how to find out a midpoint of a line segment, how to divided a line internally or externally in a given ratio. We also how to find out the equation of a line if we are given the intercept and the slope or two points on the line or two intercepts of the line or the slope and a point on the line. We discuss the condition for two lines to be perpendicular or parallel to each other.

These videos belong to the Geometry section of Quantitative Aptitude for the Common Admission Test (CAT). Please note that CAT 2009 is going to be online and a computer based test.