If the altitudes of a triangle all have the same length, must the triangle be equilateral? Why or why not?
+178 Well, let the common length of the altitude be \(h\). Then, the length of each side is \(\frac{2K}{h}\) where K is the area, so it is equilateral.
+178 Well, let the common length of the altitude be \(h\). Then, the length of each side is \(\frac{2K}{h}\) where K is the area, so it is equilateral.
