This web page shows an easy to follow process for constructing a line tangent to a circle from a given point on the outside of the circle.
Sonoma State University, Dr. Steve Wilson
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A helpful scientific calculator that runs in your web browser window.
Holt Online Learning
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Worksheet - Construct a triangle given the lengths of all three sides - 2 problems
Math Open Reference
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Worksheet - Construct a triangle given two sides and the included angle measure (sas) - 2 problems
Math Open Reference
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A site that goes through general descriptions of angles and the types of angles, but includes additional interactive construction demonstrations.
Hamilton's Math to Build On!
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Step-by-step demonstration of how to construct obtuse (greater than 90 degrees) angles.
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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Worksheet - Two orthocenter construction problems
Math Open Reference
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Worksheet - Construct 30-60-90 triangles using a compass and straightedge
Math Open Reference
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Worksheet - Construct a triangle given one side and two adjacent angles - 2 problems
Math Open Reference
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