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Earn +20 ptsQ: How many lines of reflection symmetries does a 3D dodecahedron have?
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How many lines of symmetry does a dodecahedron have?
A dodecahedron has 30 lines of symmetry. This is because each face of a dodecahedron is a regular pentagon, which has 5 lines of symmetry. Therefore, each face contributes 5 lines of symmetry, and since a dodecahedron has 12 faces, the total number of lines of symmetry is 5 x 12 = 30.
How many reflection symmetries does a right regular hexagonal prism have?
A
How many pairs of parallel lines does a dodecahedron have?
A dodecahedron need not have any parallel lines.
How many perpendicular lines does a dodecahedron have?
flaming babies
How many lines of symmetry does greek letters have?
As with the Roman alphabet, which you may be familiar with it (since you are using it to read this answer), different letters have different symmetries.
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