I am a square nomber the sum if my digit is 9
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Answer:
81
Step-by-step explanation:
Because
2x2=4
3x3=9
4x4=16
5x5=25
6x6=36
7x7=49
8x8=64
9x9=81
10x10=100
11x11=121
12x12=144
13x13=169
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