Step-by-step demonstration of how to construct a 30 degree angle.
Math Open Reference
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Step-by-step demonstration of how to construct a circle that passes through 3 specific points.
Math Open Reference
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This website shows an animated demonstration for constructing the orthocenter of a triangle using only a compass and straightedge. It also includes step-by-step written instructions for this process.
Math Open Reference
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This website shows an animated demonstration for constructing the circumcenter of a triangle, and thus the circumcirlce of the triangle, using only a compass and straightedge. It also includes step-by-step written instructions for this process.
Math Open Reference
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This website shows a step-by-step demonstration for constructing the incenter of a triangle using only a compass and straightedge. It also includes step-by-step written instructions for this process.
Math Open Reference
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Step-by-step instructions for standard constructions, including words and illustrations.
Geometry Construction Reference
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Worksheet - constructing the medians of a triangle with compass and straightedge
Math Open Reference
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Worksheet - Using a protractor to measure angles - 2 problems
Math Open Reference
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Worksheet - Construct an isosceles triangle of given base and altitude - 2 problems
Math Open Reference
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Worksheet - Construct an isosceles triangle of given base and side length - 2 problems
Math Open Reference
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