Similar Triangle - Ratios

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.

Tags

CCSS.HSG.SRT.A.2

CCSS.HSG.SRT.A.3

CCSS.HSG.SRT.B.5

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.

Tags

CCSS.HSG.SRT.A.2

CCSS.HSG.SRT.A.3

Which triangles are similar to triangle A?

• B
• C
• Both
• None

Tags

CCSS.HSG.SRT.A.2

CCSS.HSG.SRT.A.3

CCSS.HSG.SRT.B.5

Choose the similarity statement for the triangles.

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

Tags

CCSS.HSG.SRT.A.2

CCSS.HSG.SRT.A.3

CCSS.HSG.SRT.B.5

What is the ratio of the side lengths?

• 1.25
• 1.5
• 2
• 2.5

Tags

CCSS.HSG.SRT.A.2

CCSS.HSG.SRT.A.3

CCSS.HSG.SRT.B.5

• 1:3

• 3

• 2:3

• 3:2

Tags

CCSS.7.G.A.1

• 45°:117°:18°

• 45°:18°:117°

• 35°:115°:20°

• 35°:120°:22°

Tags

CCSS.HSG.CO.C.10

How long is side x?

• 3
• 1.5
• 8
• 2/3

Tags

CCSS.HSG.SRT.A.2

CCSS.HSG.SRT.A.3

CCSS.HSG.SRT.B.5

Find side length X.

• 22.5
• 10
• 9
• 7.5

Tags

CCSS.HSG.SRT.A.2

Find side length X.

• 30
• 25
• 15
• 40

Tags

CCSS.HSG.SRT.A.2

CCSS.HSG.SRT.A.3

CCSS.HSG.SRT.B.5