Shape 

Copyright David & Cynthia Thomas, 2009

Area of Triangles--Exercises

Part I: Do the directed activities in this section.

Part II: Complete the following exercises

1) Find the areas of the following lattice triangles

a)	b)
c)	d)

2) Find the areas of the following triangles using the formula A = ½bh.   [Note: The triangles in parts b) and d) are right triangles.]

a)	b)
c)	d)

3) Write and solve a word problem in which a fixed amount of fencing is available to create a triangular animal pen with the maximum possible area.

4) Create a Concept Card contrasting the concepts of perimeter & area.

5) Create a Concept Card dealing with areas of lattice triangles. 

6) Create a Concept Card explaining the area formula A = ½bh.