A triangle has two vertices at ( -a, 0 ) and (a , 0 ). What must be the third vertex of the triangle to be equilateral? Need your help guys. Thanks
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Originally Posted by rcs A triangle has two vertices at ( -a, 0 ) and (a , 0 ). What must be the third vertex of the triangle to be equilateral? The third vertex will be $\displaystyle (0,b)$ where the distance $\displaystyle \mathcal{D}[(0.b);(a,0)]=2|a|$
Originally Posted by rcs A triangle has two vertices at ( -a, 0 ) and (a , 0 ). What must be the third vertex of the triangle to be equilateral? ... note that half an equilateral triangle is a 30-60-90 special right triangle.
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