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Yes, 28 is a triangular number. It is equal to 7 + 6 + 5 + 4 + 3 + 2 + 1, or (7 x 8) / 2.

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15y ago
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8y ago

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Q: Is 28 a triangle number
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Related questions

Triangle number of 28?

28 is a triangle number. The 28th triangle number is 406.


What number is a square and triangle number?

36 is both a square number and a triangle number as it is:6x6=36andthe square numbers are:1, 3, 6, 10, 15, 21, 28, 36, 45,55, 66, 78.xx


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If the base of an isosceles triangle is 22 and the height is 28 how do you figure out the area?

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