# maths

a rectangle has sides of length 6.1 cm and 8.1 cm correct to 1 decimal place. Calculate the upper bound for the area of the rectangle as accurately

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1. how can we figure out this sum

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2. Th upper bound has to deal with accuracy of the decimal place. SO looking at your question the upper bound for 6.1 one is 6.15 because you want to try to get it as high as possible without being to close to 6.2. same for 8.1 is 8.15
6.15 * 8.15 = 50.1225

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4. A rectangle has sides of 6.1 and 8.1 correct to 1 decimal place,Calculate the upper bound for the area of the rectangle as accurately as possible

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5. A rectangle has sides of length 6.1and8.1cm correct to 1 decimal place ,Complete the statement about the perimeter of the rectangle.

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6. A rectangle has sides of length 6.1cm and 8.1cm correct to 1 decimal place .Complete the statement about the perimeter of the rectangle.

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