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Triangular numbers enumerate the items that can be arranged in a triangle. For example, ten blowling pins (10 is 4 triangled) and fifteen Bowling pins (15 is 5 triangled).
Applications might include counting band members in a triangle formation, or napkins in a triangle pattern at a wedding.
- Bill
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Earn +20 ptsQ: What are triangular numbers used for?
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What are the triangular numbers 1 to 100?
0,1,3,6,10,15,21,28,36,45,55,66,78,91
What is the formula for triangular numbers?
The Nth triangular number is calculated by: N(N + 1) -------- 2 Hope this is useful!
What are the triangular numbers between 100 and 200?
They are 105, 120, 136, 153, 171 and 190.
What are the square and triangular numbers less than 50?
Square: 1, 4, 9, 16, 25, 36, 49. Triangular: 1, 3, 6, 10, 15, 21, 28, 36, 45.
What are triangular numbers from 1 - 100?
-99
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