Compass/Protractor Constructions

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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.

A helpful scientific calculator that runs in your web browser window.

Worksheet - Construct a triangle given the lengths of all three sides - 2 problems

Worksheet - Construct a triangle given two sides and the included angle measure (sas) - 2 problems

A site that goes through general descriptions of angles and the types of angles, but includes additional interactive construction demonstrations.

Step-by-step demonstration of how to construct obtuse (greater than 90 degrees) angles.

Step-by-step demonstration of how to construct a circle that passes through 3 specific points.

Worksheet - Two orthocenter construction problems

Worksheet - Construct 30-60-90 triangles using a compass and straightedge

Worksheet - Construct a triangle given one side and two adjacent angles - 2 problems

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