It is a closed 3-sided shape made up of straight lines ... This means that this triangle is scalene. A scalene triangle has no sides that are congruent. Again, if the measurements were not ...

Each triangle type has a different colour (pink for scalene, red for equilateral ... these triangles behave very differently under dragging. "What kinds of shapes do you see on the screen?" "Are there ...

to build on students' knowledge of triangle and develop students ... to the formal geometric names of scalene, isosceles, and equilateral triangles to engage students in the process of defining ...