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By Derrick Moore And Dakota Boren.  Identify congruent or similar solids.  State the properties of similar solids.

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Presentation on theme: "By Derrick Moore And Dakota Boren.  Identify congruent or similar solids.  State the properties of similar solids."— Presentation transcript:

1 By Derrick Moore And Dakota Boren

2  Identify congruent or similar solids.  State the properties of similar solids.

3  Similar solids- A solid that has exactly the same shape but not necessarily the same size. You can determine if 2 solids are similar by comparing the ratios of their corresponding linear measurements.

4 Scale Factor

5 Base edge of larger pyramid ________________________ Base edge of smaller pyramid Height of larger pyramid _____________________ Height of smaller pyramid Lateral edge of larger pyramid ___________________________ Lateral edge of smaller pyramid

6 h=5 h= Are these two pyramids similar?

7 Base edge of larger pyramid ________________________ Base edge of smaller pyramid 3/1 Height of larger pyramid _____________________ Height of smaller pyramid 5/2 Lateral edge of larger pyramid ___________________________ Lateral edge of smaller pyramid 5.5/2.5 Answer: no, their ratios are different

8 How to find the ratios of corresponding parts of cones and Cylinders Radius of larger cone/cylinder ____________________ Radius of smaller cone/cylinder Height of larger cone/cylinder ___________________ Height of smaller cone/cylinder

9 Example R=3R=6 h=2,234 h=1,117 Are these cones similar? 6/3 2234/1117 =2/1 2/1 = 2/1 the cones are similar

10

11 pg. 711 #11-30


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