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Heptagonal pyramid
/hɛptˈaɡənəl pˈɪɹɐmˌɪd/
/hɛptˈæɡənəl pˈɪɹɐmˌɪd/Heptagonal pyramid
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heptagonale piramide, piramide met een heptagonale basis
a three-dimensional geometric shape with a heptagonal base and triangular faces that meet at a common vertex
heptagonal pyramid
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