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missashleyn

  • 3 years ago

Last one for the night! Part A: Name the polyhedron that Tiya will get if she folds up the net. Part B: Is this a regular polyhedron? Using complete sentences, justify your answer.

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  1. missashleyn
    • 3 years ago
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  2. Azteck
    • 3 years ago
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    Part A: rectangular prism.

  3. missashleyn
    • 3 years ago
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    What makes it a rectangular polyhedron? Because the length is longer than the width?

  4. Azteck
    • 3 years ago
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    Part B: A polyhedron is a geometric solid in three dimensions with flat faces and straight edges. All prisms are considered to be polyhedrons. Thus, a rectangular prism is a polyhedron.

  5. Azteck
    • 3 years ago
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    Theres your answer to your question and Part B.

  6. Azteck
    • 3 years ago
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    There's*

  7. missashleyn
    • 3 years ago
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    Was what I said right about part A?

  8. missashleyn
    • 3 years ago
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    And I think part B was asking if it was a regular polyhedron or not haha

  9. Azteck
    • 3 years ago
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    No, it's a polyhedron due to the geometric shape of a rectangular prism. All prism have flat surfaces and straight edges. that's why prisms are considered to be polyhedrons. That's the main characteristic of being a polyhedron.

  10. Azteck
    • 3 years ago
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    All prisms*

  11. missashleyn
    • 3 years ago
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    Thank you! :)

  12. jim_thompson5910
    • 3 years ago
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    For part B, it's a polyhedron, but it's NOT a regular polyhedron. In order for a polyhedron to be a regular polyhedron, all of its faces need to be congruent polygons. Since that's not the case here, it's not a regular polyhedron.

  13. Azteck
    • 3 years ago
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    Ah, @jim_thompson5910 is absolutely correct. I missed that. Thanks for correcting me. @missashleyn, it's not a regular polyhedron for the reasons stated above by @jim_thompson5910

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