Question

xorcis
1. Find the square of the following numbers using visual method:
(0) 62
(W) 95
(i) 87
(v) 81
(vi) 53
(vii) 36
(iv) 45
(vii) 49​

Answer 1

Answer:

62²=60×60+60×2+60×2+2×2=3844

95²=90×90+90×5+90×5+5×5=9025

87²=80×80+80×7+80×7+7×7=7569

81²=80×80+80×1+80×1+1×1=6561

83²=80×80+80×3+80×3+3×3=6889

36²=30×30+30×6+30×6+6×6=1296

45²=40×40+40×5+40×5+5×5=2025

49²=40×40+40×9+40×9+9×9=2401

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Answer 2

Answer:

1. 62

= 62²=60×60×60×2+60×2+2×2= 3844

2. 95

=95²= 90×90+90×+90×5+5×5=9025