| 1. | It has 28 triangle, 28 square and 4 heptagonal faces.
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| 2. | The various trigonometric identities associated with the heptagonal triangle include these:
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| 3. | In the 1964 Heptagonal indoor championships, Yale had two individual champions.
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| 4. | Every other generalized heptagonal number is a regular heptagonal number.
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| 5. | Every other generalized heptagonal number is a regular heptagonal number.
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| 6. | He won the 2001 outdoor Heptagonal championships with a record jump of.
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| 7. | The tomb itself is a heptagonal building constructed out of local sandstone.
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| 8. | Plain parathas can be round, heptagonal, square, or triangular.
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| 9. | He built a heptagonal dungeon at Rieneck, inspired dungeon of Loon.
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| 10. | Besides 1 and 70, no generalized heptagonal numbers are also Pell numbers.
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