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' ...

In this particular puzzle, it reads that the value of a square and circle is 53, two triangles together equals 36, and a triangle and a circle equals 45. So, what will be the individual value of a ...

The interior angles in each triangle sum to 180° so two triangles together sum to 360°. Image caption, A pentagon can be divided into three triangles. Interior angles in a triangle sum to 180°.

5. Tape the tops of two adjacent shorts together to make a triangle. Tape the next two longs together, and so on all the way around. 6. Connect the tops of these new triangles with a row of shorts.