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They don't necesarily,

3 is a triangular number and 10 is a triangular number. Their sum is 13 which is not a square number.

They don't necesarily,

3 is a triangular number and 10 is a triangular number. Their sum is 13 which is not a square number.

They don't necesarily,

3 is a triangular number and 10 is a triangular number. Their sum is 13 which is not a square number.

They don't necesarily,

3 is a triangular number and 10 is a triangular number. Their sum is 13 which is not a square number.

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10y ago
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10y ago

They don't necesarily,

3 is a triangular number and 10 is a triangular number. Their sum is 13 which is not a square number.

This answer is:
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Anonymous

Lvl 1
3y ago

They don't necesarily,

3 is a triangular number and 10 is a triangular number. Their sum is 13 which is not a square number.

They don't necesarily,

3 is a triangular number and 10 is a triangular number. Their sum is 13 which is not a square number.

This answer is:
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Q: When you add two triangular numbers why do they equal to a square number?
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What are the connection between triangular numbers and square numbers?

One relationship is that the sum of the nth and the previous triangular numbers is equal to the nth square number.That isT(n-1) + T(n) = S(n)where T(n) is the nth triangular number and S(n) is the nth square number.


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In Mathematics, a square number is an integer that is the square of another integer. It is equal to a positive whole number multiplied by itself. For example, 9 is a square number because it is equal to 3x3.


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