Geometric Proof Quiz

What is given about triangle ABC in the geometric proof?

• Triangle ABC is a right triangle.

• Triangle ABC is equilateral.

• Triangle ABC is isosceles.

• Triangle ABC has an obtuse angle.

Tags

CCSS.HSG.CO.C.10

What is the reason that line segment CE is a line of reflection?

• Equilateral triangles have congruent angles.

• Equilateral triangles can be folded onto themselves about a line of reflection.

• Equilateral triangles have a line of symmetry.

• Equilateral triangles have equal side lengths.

Tags

CCSS.4.G.A.3

Why are angles CDA and CDB considered right angles?

• Because triangle ABC is equilateral.

• Because line CD is an angle bisector.

• Because of the definition of perpendicular.

• Because of the definition of reflection.

Tags

CCSS.HSG.CO.C.9

What can be concluded about segments AD and BD based on the definition of reflection?

• Segments AD and BD are perpendicular.

• Segments AD and BD are parallel.

• Segments AD and BD are congruent.

• Segments AD and BD form a right angle.

Tags

CCSS.8.G.A.2

What is the Reflexive Property of Congruence?

• If two angles are congruent, then they are equal in measure.

• Any geometric figure is congruent to itself.

• If two sides of a triangle are congruent, the angles opposite them are also congruent.

• If a line is an angle bisector, then it divides the angle into two congruent angles.

Tags

CCSS.HSG.SRT.B.5

What does SAS stand for in congruence of triangles?

• Side-Angle-Side

• Side-Side-Angle

• Side-Side-Side

• Angle-Side-Angle

Tags

CCSS.HSG.SRT.B.5

What is the definition of an angle bisector?

• A line that cuts an angle into two equal parts.

• A line that intersects the vertex of an angle.

• A line that creates two angles of different measures.

• A line that extends from one endpoint of an angle to the opposite side.

Tags

CCSS.HSG.CO.C.9