Question

Express 81 and 225 as the sum
of odd numbers​

Answer 1

Answer:

Step-by-step explanation:

81 = 21 + 41+ 19

225 = 221 +3+1

Answer 2

Sum of first nine consecutive odd numbers = 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 = 81

17 + 19 + 21 + 23 + 25 + 27 + 29 + 31 + 33 = 225

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