Big Idea – We can describe, measure, and compare spatial relationships. to build on students' knowledge of triangle and develop students' reasoning with properties of different classes of triangles to ...

All right-angled triangles are either isosceles or scalene ... so that means that all the sides are different lengths. Therefore, this is also a scalene triangle. Remember, not every right ...

So, what's with the biscuits? 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 ...