Congruency and Similarity

What does congruency mean?

• Same shape but not the same size

• Same size but not the same shape

• Same shape and the same size

• Same shape and same angle

Tags

CCSS.8.G.A.2

What does similarity mean?

• Same shape, same size and same corresponsding angle

• Same shape but not the same size, with the same corresponding angles and corresponding sides have the same ratio.

• Same shape, same size, same corresponding angles and corresponding sides have the same ratio

• Same shape, same size and corresponding sides have the same ratio.

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Which of the option below is NOT the criteria for congruency?

• RHS

• SSS

• ASA

• AA

Tags

CCSS.HSG.SRT.B.5

Which options below are NOT the criteria for similarity?

• AA

• SSS

• RHS

• SAS

Tags

CCSS.HSG.SRT.B.5

Match the congruent triangles.

• Triangle A and Triangle C are congruent.

• Triangle B and Triangle D are congruent.

• Triangle A and Triangle B are congruent.

• Triangle C and Triangle D are congruent.

Tags

CCSS.8.G.A.2

Which of these triangles are congruent?

• Triangle A and C

• Triangle B and C

• Triangle A and B

• None of the triangles are congruent.

Tags

CCSS.HSG.SRT.B.5

Which of the following conditions prove that these two triangles are congruent.

• SSS

• RHA

• ASA

• SAS

Tags

CCSS.HSG.SRT.B.5

Is Triangle ABC similar to Triangle DEF?

• Yes, by SSS

• Yes, by SAS

• No, because the corresponding sides are not proportional.

• No, because we don't know if the included angles are congruent.

Tags

CCSS.HSG.SRT.B.5

Determine if Triangle VEZ is similar to Triangle MAG

• No, because all of the angles are congruent.

• Yes, by AA

• No, because the sides are not proportional.

• Yes, by SAS

Tags

CCSS.HSG.SRT.B.5

In the similar triangles below, what is y?

• 25

• 20

• 16

• 15

Tags

CCSS.HSG.SRT.A.2