Find the Perpendicular Line

Use the given point and slope to find the equation of the line perpendicular to the given line. Click the button in the right corner to get a new line. Check the box inside the graph to check your answer.

Words into Math

Please drag the words to the appropriate position.

Multiplying 3 Factors

This is a visualization of mutliplying three numbers together, inspired by the excellent factorization diagrams of Brent Yorgey (via Ivars Peterson). [url]http://mathlesstraveled.com/2012/10/05/factorization-diagrams/[/url]
More GeoGebra at [url]mathhombre.blogspot.com[/url].

Finding area and perimeter of triangles.

Angle measures and side lengths for equilateral triangles.

Drag and drop points A or B and study side lengths and angle measures for an equilateral triangle.

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