Asked by Paul
What side lengths could a rectangle have such that it's area rounds to 20 m squared ( to the nearest 10 )
Answers
Answered by
Steve
lots and lots.
Clearly, 4 by 5
But also
√20 by √20
1 by 20
7 by 3 (21 rounds to 10)
Just pick any numbers that multiply to give a value between 19.5 and 20.5
Clearly, 4 by 5
But also
√20 by √20
1 by 20
7 by 3 (21 rounds to 10)
Just pick any numbers that multiply to give a value between 19.5 and 20.5
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