Solving for Parts of Similar Triangles

Identify the correct similar triangles

Determine whether the triangles are similar by AA~, SSS~, SAS~, or not similar.

• AA

• SSS

• SAS

• no similar

Determine whether the triangles are similar by AA~, SSS~, SAS~, or not similar.

• SSS

• AA

• SAS

• not similar

Determine if the triangles are similar. Justify.

• Yes, by SSS.

• Yes, by SAS. Scale Factor is 1:2.

• Yes, by SAS. Scale Factor is 3:1.

• No, not similar.

Choose the similarity statement for the triangles.

• ΔMNL ∼ ΔOPQ

• ΔNOM ∼ ΔPQL

• ΔLMN ∼ ΔPQO

• ΔMLN ∼ ΔPQO

Find side length X.

• 16

• 18

• 2.4

• 15

If the triangles are similar, state how.

• SSS

• SAS

• AA

• Not similar.

How do these triangles appear to be similar?

(Hint: Look for non-labeled parts!)

• AA

• SAS

• SSS

• Not Similar

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by Angle Angle Similarity Postulate.

Type the three letters of the triangle in the correct order.