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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.
4.5
To one decimal place it is rounded to 0.9
27.50
61.90(:
The answer depends on whether r is the inradius (apothem) or circumradius. It is not clear from the question which.
45 cm
round 0.2975 to 1 decimal place = 0.3
to round 68.4 to one decimal place = 68.4
166.30
s = 8 and a = 1.3 are not compatible for a regular hexagon.
Round 10.99557429 to one decimal place is 11.0
6.5- you round it until it has one decimal.
166.30
The area is 166.3 square inches.