Question

Abc is an equilateral triangle with coordinates of b and c as b=-3,0 and c=3,0.find the coordinates of vertex a

Answer 1

Draw ad perpendicular to bc then we can say that bd=cd=6units therefore d is now point of bc. So d touches the origin. In triangle adc by Pythagoras theorem we can find ad=3root3 units.
Therefore a = (0,3root3)

Answer 2

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