Congruence and Similarity

Consider the following three triangles:

a

Which of the following triangles are congruent?

A

B

C

A

B

C

b

State the reason why the two previous triangles are congruent:

$AAS$`A``A``S`.

A

$RHS$`R``H``S`.

B

$SAS$`S``A``S`.

C

$SSS$`S``S``S`.

D

$AAS$`A``A``S`.

A

$RHS$`R``H``S`.

B

$SAS$`S``A``S`.

C

$SSS$`S``S``S`.

D

Easy

Less than a minute

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