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

Hint: Here having total two diagonals and having four blocks. So formula for that 4 x 2 = 8 number of triangles. Figure – 2 : Number of triangles in Fig – 2 = 16 Hint: Here having total two diagonals ...