Special Segments in Triangles

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

What is a Median in a triangle?

Back

A segment that connects a vertex to the midpoint of the opposite side.

Front

What is an Altitude in a triangle?

Back

A perpendicular segment from a vertex to the line containing the opposite side.

Front

What is a Midsegment in a triangle?

Back

A segment that connects the midpoints of two sides of a triangle.

Front

If m∠CAP = 34°, what is m∠CAB?

Back

68°

Front

Given ∠BAN ≅ ∠NAC and BR = RC, what type of segment is PR?

Back

Perpendicular Bisector.

Front

Given ∠BAN ≅ ∠NAC and BR = RC, what type of segment is AN?

Back

Angle Bisector.

Front

What is the relationship between the angles in an isosceles triangle?

Back

The angles opposite the equal sides are equal.

Front

What is the Triangle Sum Theorem?

Back

The sum of the interior angles of a triangle is always 180°.