Perpendicular and Angle Bisectors

Front

What is a perpendicular bisector?

Back

A line that divides a segment into two equal parts at a 90-degree angle.

Front

What is an angle bisector?

Back

A ray that divides an angle into two equal angles.

Front

How do you prove triangles are congruent using ASA?

Back

You need two angles and the included side to be equal in both triangles.

Front

If DF is the perpendicular bisector of CE, what can be said about segments CD and DE?

Back

CD = DE because the perpendicular bisector creates equal segments.

Front

What is the relationship between the angles formed by perpendicular lines?

Back

They form four right angles (90 degrees each).

Front

What is the formula for the perimeter of a quadrilateral?

Back

Perimeter = sum of the lengths of all sides.

Front

When constructing a perpendicular bisector, why is it important to use the same radius for arcs from each endpoint?

Back

It ensures that the arcs are equidistant from each endpoint, allowing for accurate intersection points.

Front

What is the measure of angles on a straight line?

Back

The sum of angles on a straight line is 180 degrees.

Front

If two angles are complementary, what is their sum?

Back

Their sum is 90 degrees.

Front

What is the relationship between vertical angles?

Back

Vertical angles are equal to each other.