Using dots, draw a square of side 7 dots , and hence write 7(square) as sum of two triangular numbers - Maths - Exponents and Powers

Question

Using dots, draw a square of side 7 dots , and hence write
7(square) as sum of two triangular numbers

Amit Shukla · Accepted Answer

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Using dots, draw a square of side 7 dots , and hence write 7(square) as sum of two triangular numbers.