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 Representing 3-D in 2-D 40 Flashcards |
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What is a polyhedron? |
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A polyhedron is a 3-D shape with flat faces and straight edges. |
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Which of the following shapes is not a polyhedron? A) Cube B) Sphere C) Pyramid D) Cuboid |
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B) Sphere |
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Riddle: I have flat faces and straight edges, but no curves. What am I? |
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A polyhedron |
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True or False: A triangular pyramid is also known as a tetrahedron. |
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True |
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Fill in the blank: A pyramid has a polygon base and ______ lateral surfaces. |
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Triangular |
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What is Euler's formula for polyhedrons? |
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F + V - E = 2 |
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How many edges does a cube have? |
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12 |
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Fill in the blank: A cuboid has ______ faces that are all rectangles. |
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6 |
Card: 16 / 40 |
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True or False: A triangular prism has 5 faces. |
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True |
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What is the total number of vertices in a pentagonal prism? |
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10 |
Card: 20 / 40 |
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Riddle: I am made of 2 triangles and 3 rectangles, but when folded, I become a solid. What am I? |
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A triangular prism |
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Which type of pyramid has 6 faces and is based on a pentagon? |
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Pentagonal pyramid |
Card: 24 / 40 |
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Fill in the blank: The net of a cylinder consists of 2 circles and 1 ______ rectangle. |
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Curved |
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How many faces does a tetrahedron have? |
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4 |
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True or False: A square pyramid has 4 triangular faces. |
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False. A square pyramid has 4 triangular faces and 1 square face. |
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What is the relationship between faces (F), vertices (V), and edges (E) in Euler's formula? |
Card: 31 / 40 |
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F + V - E = 2 |
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Fill in the blank: A rectangular pyramid has ______ faces, including a rectangular base. |
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5 |
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What is the number of edges in a hexagonal prism? |
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18 |
Card: 36 / 40 |
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Which shape has 8 vertices and satisfies Euler's formula F + V - E = 2? |
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Cube |
Card: 38 / 40 |
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What is the formula used to verify the validity of a polyhedron based on its faces, vertices, and edges? |
Card: 39 / 40 |
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Euler's formula: F + V - E = 2 |
Card: 40 / 40 |
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