Kathleen Witts Similar Triangles

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

• SAS

• AA

• SSS

• not similar

Use the information in the diagram to determine the height of the tree.

• 80 feet

• 320 feet

• 40 feet

• 160 feet

Are the triangles similar?

• Yes

• No

The 2 shapes are similar. Solve for X.

• 2 ft

• 3 ft

• 4 ft

• 6 ft

The 2 shapes are similar. Find x.

• 2

• 7

• 0.5

• 12

Choose the similarity statement for the triangles.

• ΔMNL ∼ ΔOPQ

• ΔNOM ∼ ΔPQL

• ΔLMN ∼ ΔPQO

• ΔMLN ∼ ΔPQO

Two objects that are the same shape but not the same size are _______.

• Congruent

• Vertical

• Similar

• Complementary 

Sides in similar figures must be proportional.  

• True

• False 

All angles in similar figures are congruent.  

• True

• False

Are the triangles similar?

• Yes

• No