Geometry Vocabulary Quiz unit 1-4

What is the AA similarity theorem?

• Two triangles are similar if they have two corresponding angles that are congruent.

• Two triangles are similar if they have two corresponding sides that are congruent.

• Two triangles are similar if they have one corresponding angle and one side that are congruent.

• Two triangles are similar if they have three corresponding angles that are congruent.

What is an acute angle?

• An angle whose measure is between 0° and 90°.

• An angle whose measure is exactly 90°.

• An angle whose measure is between 90° and 180°.

• An angle whose measure is exactly 180°.

What are adjacent angles?

• Two non-overlapping angles with a common vertex and one common side.

• Two angles that add up to 180°.

• Two angles that are equal in measure.

• Two angles that are opposite each other.

What is the definition of alternate exterior angles?

• A pair of angles formed by a transversal intersecting two lines, lying outside the two lines and on opposite sides of the transversal.

• A pair of angles formed by a transversal intersecting two lines, lying inside the two lines and on the same side of the transversal.

• A pair of angles that are adjacent to each other.

• A pair of angles that are equal in measure.

What is the altitude of a triangle?

• A perpendicular segment from a vertex to the line containing the base.

• A line segment that connects two midpoints of a triangle.

• A line segment that bisects an angle of the triangle.

• A line segment that is parallel to one side of the triangle.

What is a perpendicular bisector?

• A line that divides a line segment into two congruent parts and is perpendicular to the segment.

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

• A line that is parallel to a given line segment.

• A line that intersects a circle at two points.

What is the definition of concentric circles?

• Circles with a common center.

• Circles with the same radius.

• Circles that intersect at two points.

• Circles that are tangent to each other.

What is a congruence statement?

• A statement that uses the ≅ symbol and applies to figures or shapes.

• A statement that uses the = symbol and applies to numbers.

• A statement that uses the ≠ symbol and applies to figures or shapes.

• A statement that uses the ≈ symbol and applies to numbers.

What does CPCTC stand for in geometry?

• Corresponding Parts of Congruent Triangles are Congruent

• Congruent Parts of Congruent Triangles are Congruent

• Congruent Parts of Congruent Triangles are Equal

• Corresponding Parts of Congruent Triangles are Equal

What is a conjecture in mathematics?

• A proven mathematical statement.

• A mathematical statement that has not yet been rigorously proven.

• A mathematical statement that is always false.

• A mathematical statement that is always true.