maths

2012-07-07 3:54 am
the length of one side of a square is 5.0cm corr. to the nearest 1.0cm.find the least possible area.
更新1:

sor , its all about the typing mistake! it should be corr. to the nearest 0.1cm...

回答 (2)

2012-07-08 4:12 am
✔ 最佳答案
Since the accuarcy is corr. to the nearest 0.1 cm.

The least possible length is 4.95 cm.

The least possible area = 4.95 * 4.95 = 24.5 cm^2 (corr. to the nearest 0.1 cm^2)
2012-07-07 3:58 am
4.5X4.5=20.25


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