Triangles: Congruent and Similar Plus vocabulary

Which is NOT true about similar triangles.

• The angles in the triangles are congruent to each other.
• The sides are proportional to each other.
• The angles in each triangle add up to 180^o.
• The triangles must have at least one side that is the same length.

Are the triangles similar?

• Yes
• No

How long is side x?

• 2 ft
• 3 ft
• 4 ft
• 6 ft

Are the triangles similar?

• Yes
• No

Find side length X.

• 30
• 25
• 15
• 40

What is the measure of angle b?

• 36^o
• 56^o
• 63^o
• 117^o

What is the missing angle?

• 95
• 113
• 35
• 85

What does it mean for two shapes to be similar?

• Same shape, but different size.
• Same size and same shape.
• Their angles add up to 180^o.
• They are congruent.

Choose the similarity statement for the triangles.

• ΔMNL ∼ ΔOPQ
• ΔNOM ∼ ΔPQL
• ΔLMN ∼ ΔPQO
• ΔMLN ∼ ΔPQO

If two figures are similar their angles are______.

• proportional
• congruent
• supplementary
• complementary