A Scale and Similarity

• 2
• 10
• 12
• 15

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CCSS.HSG.SRT.A.2

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

• Congruent
• Vertical
• Similar
• Complementary 

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CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Complete the proportion.
AB / BM  =  ? / CD

• BC
• AC
• MD
• MC

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CCSS.HSG.CO.C.10

Are these triangles similar?

• Yes
• No

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CCSS.HSG.SRT.A.2

These two triangles are similar.  Which proportion would find the value of b?

• 6/65 = 8/52
• 8/52 = 10/b
• 10/6 = 52/b
• 6/b = 8/52

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CCSS.HSG.SRT.A.2

All angles in similar figures are congruent.  

• True
• False

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CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Complete the proportion.
CB / DM  =  AC / ?

• BM
• MA
• BC
• AD

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CCSS.HSG.SRT.B.4

Two shapes that are similar are also congruent

• True
• False

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CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Matching angles are called

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

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CCSS.8.G.A.2

Tell whether the two figures are similar. Explain your reasoning.

• Yes, similar because they are the same shape and the sides have a scale factor.
• No, not similar because they are the same shape, but side lengths have no scale factor.
• Yes, same shape
• No, different sizes

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CCSS.8.G.A.2

CCSS.HSG.CO.B.6