The pyramid and cones are alike becomes their lateral faces meet at a vertex. Also, a pyramid becomes a cone as the number of sides of its base becomes larger and larger.
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24.Is a square prism same as a cube? Explain.
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25.Verify Euler’s formula for these solids.
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26.Using Euler’s formula find the unknown.
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27.Can polyhedron have 10 faces, 20 edges and 15 vertices?
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28.According to the Euler’s formula, we have F + V – E = ___________.
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29.A cuboid has _______ faces, _______ edges and _______ vertices.
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30.A polyhedron has 30 edges and 12 vertices. How many faces does it have?
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