Which of these triangles are similar?

a

A

B

C

D

A

B

C

D

b

Give a suitable reason for your choice.

All corresponding sides are congruent.

A

All corresponding angles are congruent.

B

All sides are in the same ratio.

C

All corresponding sides are congruent.

A

All corresponding angles are congruent.

B

All sides are in the same ratio.

C

Easy

Approx a minute

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