Brain Teasers
Squares and What?
What to do these numbers have in common, besides being perfect squares?
1) 25
2) 100
3) 169
4) 225
1) 25
2) 100
3) 169
4) 225
Hint
25 = 16 + 9100 = 36 + 64
Answer
All of these are expressible in the form a*a=b*b+c*c:1) 25 = 4*4+3*3
2) 100 = 6*6+8*8
3) 169 = 12*12+5*5
4) 225 = 12*12+9*9
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