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Big Ideas Math: Modeling Real Life, Grade 7
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Big Ideas Math: Modeling Real Life, Grade 7 View details
6. Cross Sections of Three-Dimensional Figures
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Exercise 4 Page 441

The plane is parallel to the base of the cone.

The cross section is a circle.

Practice makes perfect
We are given a cross section of a cone. We want to determine the shape resulting from the cross section. Notice that the cross section is parallel to the base of the cone, a circle. this suggests that the cross section should also be a circle. We can make sure about this by looking at the diagram from different angles.
Cross sections of a cone
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arrow_right Try It p.440-441
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Try It 4 (Page 441)
arrow_right Self-Assessment for Concept & Skills p.441
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Self-Assessment for Concept & Skills 6 (Page 441)
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arrow_right Self-Assessment for Problem Solving p.442
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arrow_right Review & Refresh p.443
Review & Refresh 1 (Page 443)
Review & Refresh 2 (Page 443)
Review & Refresh 3 (Page 443)
Review & Refresh 4 (Page 443)
arrow_right Concept, Skills, & Problem Solving p.443-444
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Concept, Skills, & Problem Solving 6 (Page 443)
Concept, Skills, & Problem Solving 7 (Page 443)
Concept, Skills, & Problem Solving 8 (Page 443)
Concept, Skills, & Problem Solving 9 (Page 443)
Concept, Skills, & Problem Solving 10 (Page 443)
Concept, Skills, & Problem Solving 11 (Page 443)
Concept, Skills, & Problem Solving 12 (Page 443)
Concept, Skills, & Problem Solving 13 (Page 443)
Concept, Skills, & Problem Solving 14 (Page 443)
Concept, Skills, & Problem Solving 15 (Page 443)
Concept, Skills, & Problem Solving 16 (Page 443)
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