Front

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

Back

Midsegment

Front

A line, segment, or ray that divides a segment into two equal parts and is perpendicular to the segment.

Back

Perpendicular bisector

Front

The point at which the three medians intersect in a triangle.

Back

Centroid

Front

A line, segment, or ray that divides an angle into two equal parts.

Back

Angle bisector

Front

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

Back

Median

Front

The point where the three altitudes of a triangle intersect.

Back

Orthocenter

Front

A line segment that connects two vertices of a triangle and is not a side of the triangle.

Back

Diagonal

Front

The longest side of a right triangle, opposite the right angle.

Back

Hypotenuse

Front

A triangle with all sides of different lengths.

Back

Scalene triangle

Front

A triangle with at least two sides of equal length.

Back

Isosceles triangle