Isosceles ΔABC is constructed so that AB = AC = 5. Use this tool to investigate the relationship between the area of the triangle and the length of its base (BC). Understand that by similarity, side ...

You may find many triangle forms using Heron’s formula, including scalene, isosceles, and equilateral. To compute the area of a triangle, Heron’s formula does not need you to know the angle ...

Oh a triangulator machine! Very cool! Right, there are four different types of triangle. First, here's an isosceles triangle, it has two equal length sides and two equal angles. Oh! Very clever!