You may hear students say words like ‘paralyzed’ triangle for isosceles and equilateral triangles after noticing the restrictive movements of these triangles upon dragging. Properties of symmetry: - ...

First, here's an isosceles triangle, it has two equal length sides and two equal angles. Oh! Very clever! Now we have an equilateral triangle. Three sides of equal length andall the angles are 60 ...

To find the missing angles in an equilateral triangle, divide the sum of interior angles in a triangle by 3 In an isosceles triangle, two of the sides are equal. This means two of the angles are ...