Review 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

Where do the altitudes of a triangle intersect?

Back

At the Orthocenter.

Front

What is a median in a triangle?

Back

A line segment from a vertex to the midpoint of the opposite side.

Front

What is the definition of an angle bisector?

Back

A ray that divides an angle into two equal angles.

Front

What is the circumcenter of a triangle?

Back

The point where the perpendicular bisectors of the sides intersect.

Front

What is the centroid of a triangle?

Back

The point where the three medians intersect.

Front

What is the incenter of a triangle?

Back

The point where the angle bisectors of a triangle intersect.

Front

If m<GCD=3x+8 and m<DCF=5x-4, find x if m<GCD = m<DCF.

Back

x = 6.

Front

What is the relationship between the angles in a triangle?

Back

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

Front

What is a midsegment in a triangle?

Back

A segment connecting the midpoints of two sides of a triangle.