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Q: If s 6 and r 5.1 cm find the area of the regular pentagon round the answer to one decimal place?

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s = 8 and a = 1.3 are not compatible for a regular hexagon.

To get the decimal, divide the numerator of the fraction by the denominator. If the decimal runs to more than one place, then you have to round it to one decimal place.

Go to the second decimal place; if it is less than 5; round down. If it is 5 or greater, round up. So, 1.51 rounded to 1 decimal place is 1.5.

To one decimal place it is rounded to 0.9

It already is rounded to one decimal place.

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The answer depends on whether r is the inradius (apothem) or circumradius. It is not clear from the question which.

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round 0.2975 to 1 decimal place = 0.3

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s = 8 and a = 1.3 are not compatible for a regular hexagon.

Round 10.99557429 to one decimal place is 11.0

You round to 1.0

6.5- you round it until it has one decimal.

To round a number, the decimal place that you want to round to, needs to be specified. If you want to round to the tenths place or to 1 decimal place, then this number is already there: 7.7 is seven and seven tenths. If you want to round it to zero decimal places, or to the nearest whole number, then look at the tenths place and if it is 0-4 you round down to 7, if it is 5-9 (which it is) you round up to 8.