Auxiliary lines are not drawn based on intuition. There are patterns for how to draw them .Children who read explanations for geometry problems often say, "I would never think of drawing a line like ...

Everyone, great job with your math studies! Sometimes with geometry problems, you might panic and think, "Wait, is this the ...

to build on students' knowledge of triangle and develop students' reasoning with properties of different classes of triangles to develop students' language related to different triangles to engage ...

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 ...