All equilateral triangles are
right angled
scalene
isosceles
isosceles right angled
In an equilateral triangle, all the sides are equal to each other. So, all the equilateral triangle are isosceles triangle.
In triangle ABC, altitude BE = altitude CF. Then triangle ABC is
The points (a,a), (−a,−a) and (–√3a,√3a) form the vertices of an