January 7, 2013
Triangles are polygons with 3 sides.
They are sturdy. 4 sided polygons are not sturdy.
Make two triangles. Note that one side must be made putting two beams together with two connectors.
Then figure out each perimeter and area.
Perimeter is the distance around. We are using dot for our unit.
It is sort of easy to count the number of dots around the triangle.
We drew the triangle on a paper and rubbed over a plate with the side
of a crayon
to make dots to count to estimate area.
