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Curated Video
Use the area of a triangle to calculate unknown measurements
Pupil outcome: I can calculate unknown dimensions of a triangle with a specified area. Key learning points: - The area of a triangle is half the area of a parallelogram with the same perpendicular base and height. - The area of a...
Math Playground
Math Playground: How Do You Find the Area of a Triangle?
This video [3:54] illustrates how to calculate the area of a triangle and explains the logic behind the formula.
Khan Academy
Khan Academy: Triangles: Area of an Equilateral Triangle
This video tutorial explores finding the formula for the area of an equilateral triangle with side length of s.
Loyola University Chicago
Math Flix: Formula Area of a Triangle
This QuickTime movie explains how to find the area of a triangle by developing an area formula and then demonstrates this by showing how to use the area formula. As you watch and listen to the teacher and student interact it helps...