Triangles

Triangles (X) - Geometry (X)

Geometric Constructions (2006)

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The program demonstrates the following constructions in the context of a student creating a mobile to hang above a baby's cot: * Bisecting an angle * Perpendicular bisector of a line * Constructing a triangle using three known side lengths * Determine the center of gravity by constructing medians * Determine the inscribed circle of a triangle by constructing the angle bisectors * Determine the

Grade Level: 
Elementary
Middle
Length: 
00:30
Geometric Constructions

Triangles and Quadrilaterals (2006)

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The program explains how triangles can be classified by side length and by angles, introducing the mathematical names. It then names and illustrates the different types of convex quadrilaterals. Study guides are available from VEA website. www.veavideo.com

Grade Level: 
Middle
High
Length: 
00:24
Triangles and Quadrilaterals

Geometry, Part 1: Areas of Two-Dimensional Figures (2004)

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--formulas for a parallelogram (square, rectangle, and rhombus)
--formulas for a trapezoid, triangle, and circle

Grade Level: 
Middle
High
Length: 
00:27
Geometry, Part 1: Areas of Two-Dimensional Figures

What's Your Angle, Pythagoras?

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Young Pythagoras can't seem to stay out of trouble. Every time he tries to help, people get angry. What's a curious kid to do?


On a trip to Egypt, Pythagoras' curiosity helps him discover the secret of the right triangle. A clever introduction to the Pythagorean Theorem.

What's Your Angle, Pythagoras?