Tue April 03, 2012 By:

to know about the theory

Expert Reply
Wed April 04, 2012
We know, Area of a triangle = 1/2 * Base * Height
To find the area of ?QXY, we have considered QX as the base so the height will be the perpendicular drawn from the vertex Y, which is YN.
Sat September 23, 2017


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