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A comprehensive geometry curriculum
Geometry for School and Home
Activity 3.8
Assignment 3.9
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Assignment 8.6
Area of a Triangle
Objectives
Develop a formula for areas of triangles.
Apply the formula to acute, right, and obtuse triangles.
About Geometry Worksheet Assignment 8.6:
Assignment 8.6 is an introduction to areas of triangles.
Prerequisite Skills: Find areas of polygons by counting squares in their interiors (Assignment 8.1). Measure lengths to the nearest cm. (Assignment 1.11). Solve algebraic equations with one variable.
Theorems: The area of a triangle is one-half the product of the length of its base and its height.
1
The formula for the area of a triangle is: A = 2 bh (A is Area; b is the length of the base; h is the height)