In an equilateral triangle abc d is a point on side bc such that 1/3 bc prove that 9 ad2 =7ab2
In an equilateral triangle abc d is a point on side bc such that 1/3 bc prove that 9 ad2 =7ab2
Find the distance between P(x1,y1) and Q(x2,y2) when: 1 PQ is parallel to the y axis, 2 PQ is parallel to x axis