Back to Unit 9
Area of a Triangle
triangle with base length b and height h.
To picture this, we could take a second triangle identical to the first, then rotate it and "paste" it to the first triangle as pictured below:
formed is a parallelogram with base length b and height h,
and has area b· h.
What is the area
of the triangle below having a base of length 5.2 and a height of 4.2?