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Web Results

en.wikipedia.org/wiki/Equilateral_triangle

The area

mathworld.wolfram.com/EquilateralTriangle.html

An

www.ajdesigner.com/phptriangle/equilateral_triangle_semiperimeter_s.php

Geometry calculator for

formulas.tutorvista.com/math/equilateral-triangle-formula.html

An equilateral triangle has 3 sides whose length are equal. The equilateral
triangle has all the 3 internal angles equal to 60<sup>o</sup>.

www.khanacademy.org/math/geometry-home/geometry-area-perimeter/advanced-area-with-triangles/v/area-of-an-equilateral-triangle

www.vitutor.com/geometry/plane/equilateral_triangle.html

Equilateral triangle, definition, perimeter, area, height and apothem of an

www.mathopenref.com/triangleequilateralarea.html

A method of calculating the area of an

rechneronline.de/pi/equilateral-triangle.php

Calculations of geometric shapes and solids:

www.basic-mathematics.com/area-of-an-equilateral-triangle.html

Learn how to derive a

www.illustrativemathematics.org/content-standards/tasks/1322

This tasks examines how to calculate the area of an

More Info

www.ajdesigner.com

Geometry calculator for

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Area of an

www.mathportal.org

Enter side, perimeter, area or altitude of