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• How to Copy an Angle Using a Compass

The basic idea behind copying a given angle is to use your compass to sort of measure how wide the angle is open; then you create another angle with t...

In Geometry

• How to Copy a Line Segment Using a Compass

The key to copying a given line segment is to open your compass to the length of the segment; then, using that amount of opening, you can mark off ano...

In Geometry

• How to Find the Right Angle to Two Points

If you’re given two points on the coordinate plane, you can find the locus of points that creates a right angle to those two points. By using th...

In Geometry

• Find the Locus of Points Equidistant from Two Poin

If you’re given two points, and you’re asked to find the locus of points equidistant from these two points, you’ll always find the s...

In Geometry

• How to Solve a Two-Dimensional Locus Problem

In two-dimensional locus problems, all the points in the locus solution lie in a plane. This is usually, but not always, the same plane as the given g...

In Geometry

• Find the Main Reflecting Line of a Glide Reflectio

A glide reflection involves three reflections, and so it can be challenging to find the location of its main reflecting line. Fortunately, there’...

In Geometry

• How Glide Reflections Work

A glide reflection is just what it sounds like: You glide a figure (that’s just another way of saying slide or translate) and then reflect it ov...

In Geometry

• Find the Center of Rotation

A rotation is a transformation in which the pre-image figure rotates or spins to the location of the image figure. With all rotations, there’s a...

In Geometry

• Rotate a Figure Using Reflection

A rotation is what you’d expect—it’s a geometric transformation in which the pre-image figure rotates or spins to the location of the im...

In Geometry

• Construct a Line Perpendicular to Another Line Thr

Say you’re taking a geometry test, and one question gives you a line along with a point that is not on that line. You’re told to construct...

In Geometry