Similar Triangles Intro

Complete each proportion.
AB / BM  =  ? / CD

• BC
• AC
• MD
• MC

Tags

CCSS.HSG.SRT.B.4

Are these triangles similar?
Angles in Triangle 1:  40⁰,60⁰, and 80⁰
Angles in Triangle 2:  40⁰,50⁰, and 90⁰

• Yes
• No
• There is not enough information to decide.

Tags

CCSS.HSG.SRT.A.2

2 triangles are similar if _____________.

• their angles are congruent.
• their sides are congruent.
• their areas are equal.
• their perimeters are equal.

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Sides that are in the same position are called

• Corresponding Sides
• Corresponding Angles
• The Same
• Congruent Sides

Tags

CCSS.8.G.A.2

Angles in the same position are called

• Corresponding Sides
• Corresponding Angles
• The Same
• Congruent Angles

Tags

CCSS.8.G.A.5

Sides in similar figures must be proportional.  

• True
• False 

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

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

• Congruent
• Vertical
• Similar
• Complementary 

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Complete the similarity statement.

⊿ABC ~ ⊿ ___

• ZYX

• XZY

• YZX

• XYZ

Tags

CCSS.HSG.SRT.A.2

What is the scale factor from ΔABC to ΔXYZ?

• 1.25

• 1.5

• 2

• 2.5

Tags

CCSS.7.G.A.1

Are the triangles similar?

• Yes
• No

Tags

CCSS.HSG.SRT.A.2