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When you add two triangular numbers why do they equal to a square number?

Updated: 4/28/2022

Wiki User

11y 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.

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.

Wiki User

11y ago

Wiki User

11y 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.

Anonymous

Lvl 1
4y 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.