Congruency vs. Similarity

• A
• C
• D

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CCSS.8.G.A.2

• 3 inches
• 5 inches
• 90 inches
• 4 inches

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CCSS.HSG.CO.B.7

• 4m
• 5m
• 3m
• 4.5m

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CCSS.8.G.A.2

• ∆BCA ≅ ∆DEF
• ∆EFD ≅ ∆BAC
• ∆ABC ≅ ∆FED
• ∆EDF ≅ ∆BAC

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CCSS.HSG.CO.B.7

• A
• B
• C
• D

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CCSS.8.G.A.2

• A
• B
• C
• D

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CCSS.8.G.A.2

Tell whether the two figures are congruent.

• Yes, same size and same shape
• No, same shape but different sizes
• No, different size and different shapes

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CCSS.8.G.A.2

Tell whether the two figures are congruent.

• Yes, same size and same shape
• No, same shape but different sizes
• No, different size and different shapes

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CCSS.8.G.A.2

The polygons are similar. Find x.

• x = 2
• x = 6
• x = 4 
• x = 8

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CCSS.HSG.SRT.A.2

The triangles are similar. Find x.

• x = 12 ft
• x = 27 ft
• x = 30 ft
• x = 24 ft

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CCSS.HSG.SRT.B.5