First, here's an isosceles triangle ... Three sides of equal length andall the angles are 60 degrees. This is a scalene triangle. All the sides are different lengths and each angle is different ...

Properties of symmetry: - Students may notice symmetry in the isosceles and equilateral triangles and non-symmetry in the scalene triangles Informal recognition of these properties may be helpful in ...

First, here's an isosceles triangle ... Three sides of equal length andall the angles are 60 degrees. This is a scalene triangle. All the sides are different lengths and each angle is different ...