Triangle Congruence: SSS and SAS Methods

What does the term 'congruent' mean in geometry?

• Being parallel

• Having the same area

• Being similar but not identical

• Having the same size and shape

Tags

CCSS.8.G.A.2

Which method uses three pairs of corresponding sides to prove triangle congruence?

• SSS

• AAS

• ASA

• SAS

Tags

CCSS.HSG.SRT.B.5

In the SSS method, what must be true for two triangles to be congruent?

• One side and two angles must be congruent

• All three angles must be congruent

• Two sides and one angle must be congruent

• All three sides must be congruent

Tags

CCSS.HSG.SRT.B.5

What is the reflexive property in geometry?

• Two angles are congruent to each other

• A side is congruent to itself

• Two sides are congruent to each other

• An angle is congruent to itself

In the SAS method, where must the angle be located?

• At the end of the two sides

• Between the two sides

• At the beginning of the two sides

• Outside the two sides

What additional information is needed to use the SAS method if two sides are already known to be congruent?

• The area of the triangle

• The angle opposite one of the sides

• The angle between the two sides

• The length of the third side

Tags

CCSS.HSG.SRT.B.5

What must be true for the angle in the SAS method?

• It must be an acute angle

• It must be a right angle

• It must be between the two sides

• It must be an obtuse angle

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

When identifying congruent triangles, what is the first step?

• Check if all sides are congruent

• Look at the given information

• Reorient the triangles

• Check if all angles are congruent

Tags

CCSS.8.G.A.2

Why can't the second triangle in the example be proven congruent using SAS?

• The sides are not parallel

• The triangles are not similar

• The sides are not congruent

• The angle is not between the two sides

Tags

CCSS.HSG.SRT.B.5

What should you do if the corresponding parts of triangles are not congruent?

• Check the given information again

• Reorient the triangles

• Conclude that the triangles are not congruent

• Use a different method

Tags

CCSS.8.G.A.2