Geometry Vocabulary

What is the definition of an incenter?

• A line that divides an angle into two congruent angles.

• A line that intersects a line segment at its midpoint and is perpendicular to it.

• The point of concurrency of the three medians of a triangle.

• The point at which the angle bisectors of a triangle intersect.

Tags

CCSS.HSG.C.A.3

What is the definition of an orthocenter?

• A line that divides an angle into two congruent angles.

• A line that intersects a line segment at its midpoint and is perpendicular to it.

• The point at which the perpendicular bisectors of a triangle intersect.

• The point of concurrency of the three altitudes of a triangle.

Tags

CCSS.HSG.C.A.3

What is the definition of an angle bisector?

• A line that divides an angle into two congruent angles.

• A line that intersects a line segment at its midpoint and is perpendicular to it.

• A line that passes through the midpoint of a line segment.

• A line that passes through a vertex of a triangle and is perpendicular to the opposite side.

Tags

CCSS.HSG.CO.C.9

What is the definition of a circumcenter?

• A line that divides an angle into two congruent angles.

• A line that intersects a line segment at its midpoint and is perpendicular to it.

• A line that passes through the midpoint of a line segment.

• The point at which the perpendicular bisectors of a triangle intersect.

Tags

CCSS.HSG.C.A.3

What is the definition of a centroid?

• A line that divides an angle into two congruent angles.

• A line that intersects a line segment at its midpoint and is perpendicular to it.

• The point at which the perpendicular bisectors of a triangle intersect.

• The point of concurrency of the three medians of a triangle.

Tags

CCSS.HSG.CO.C.10

What is the definition of an altitude?

• A line that divides an angle into two congruent angles.

• A line that intersects a line segment at its midpoint and is perpendicular to it.

• A line that passes through the midpoint of a line segment.

• A line segment connecting a vertex of a triangle to the opposite side and perpendicular to it.

What is the definition of a midpoint?

• A line that divides a segment into two congruent segments.

• A line that intersects a line segment at its midpoint and is perpendicular to it.

• A line that passes through the midpoint of a line segment.

• A line that passes through a vertex of a triangle and is perpendicular to the opposite side.

Tags

CCSS.HSG.CO.A.1

A circumcenter is equidistant to the three __________ of a triangle.

• Sides

• Incenters

• Perpendicular Bisectors

• Vertices

Tags

CCSS.HSG.C.A.3

An incenter is equidistant to the three ______________ of a triangle.

• Vertices

• Sides

• Perpendicular Bisectors

• Angle Bisectors

Tags

CCSS.HSG.C.A.3

When two lines are crossed by another line (which is called the Transversal), the angles in matching corners are called corresponding angles.

• Consecutive Interior

• Corresponding Angles

• Alternate Interior

• Alternate Exterior

Tags

CCSS.8.G.A.5