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Introduction to finding the area of a rectangle and parallelogram
Explanation of why the area of a parallelogram is base times height
Introduction to finding the area of a triangle
Demonstration of finding the area of a triangle using a parallelogram
Application of the method to an obtuse triangle
Conclusion and recap of the formulas for finding the area of a rectangle, parallelogram, and triangle
Pythagorean Theorem
Take the square root of both sides
Finding the Missing Side Length Given One Side and an Angle
Use the Sine Ratio
Use a calculator to calculate tangent 60
Missing Side Length Example 2
Using the Law of Sines
How to calculate the missing side when the altitude goes to the hypotenuse
How to calculate the missing side length using the Pythagorean Theorem
Conclusion