An isosceles triangle has 2 sides of equal length. The angles at the base of the equal sides are equal. The angles inside a shape are called interior angles. The interior angles in a triangle ...

An isosceles triangle has two angles that are the same ... A triangle is a rigid shape and is used in the construction of bridges. A triangle is a rigid shape. This fact is put to good use in ...

Properties of symmetry: - Students may notice symmetry in the isosceles and equilateral triangles and non-symmetry ... While initially very similar looking, these triangles behave very differently ...