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Xorcis1. 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 |
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Answer» 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 I hope this help u |
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