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If the area is a circle and the radius of the circle is 21 miles, the distance around the circle (circumference) is 131.95 miles. The area of that circle is 1,385.4 square miles.

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12y ago
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15y ago

21 miles = 33,796 meters

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14y ago

Answer: 21.2 km = 13.1730 mi.

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Q: How many miles in a 21 mile radius?
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Related questions

How many square miles in a 21 mile radius?

Area of a circle = (pi) R2 = (21)2 pi = 1,385.4square miles (rounded)


How many mile from Dover to Calais?

Its about 21 miles.


How many square feet are in a 21 mile radius?

9,655,979,074 sq ft (rounded)


How many kilometers are there in 21 miles?

There are 1.609344 kilometres in one mile. Therefore, 2.1 miles is equal to 2.1 x 1.609344 = 3.3796224 kilometres.


What is the circumference of a 21-mile circle?

The circumference of a circle with a 21 mile diameter is 66 miles (approx).


How many mph do you have to drive 21 miles and get there in 21 minutes?

If you have to cover 21 miles in 21 minutes, then you need to cover 1 mile every minute. There are 60 minutes in an hour, so if you kept that up for an hour, you'd cover 60 miles.


How many kilometers is 21 miles?

13.125 milesThere are 1.609344 kilometres in one mile. Therefore, rounded to two decimal places, 21 kilometres is equal to 21/1.609344 = 13.048795 miles.


How would you find the cost per mile for a 21 billion 31 mile long tunnel?

Divide $21 billion by 31 miles to get over $677 million per mile.


How many feet 2 and 1 forth miles?

51738 1 mile = 5280 feet 21/4 miles = 5280 x 2.25 = 11,880 feet.


Terry went 170miles on 8 gallons of gas he has 3 gallons left in the tank how many more miles can he travelround to the nearest mile?

170 miles divided by 8 gallons = 21 and 1/4 miles per gallon. Therefore, with 3 gallons he can travel 3 times (21 and 1/4) = 63 and 3/4 miles, or 64 miles to the nearest mile.


How many miLes across alligator alley?

roughly 80 miles........ from exit 101 (tollgate plaza) in Naples, to the tollgate on the eastern side of the state (@ the 21 mile marker).


How many kilometers per liter is 21 miles per gallon?

I US Gallon = 3.7854118 litersSo 21 miles per gallon = 21 per 3.7854118 liters1 mile = 1.609344 kilometersSo, 21 miles = 33.796224 kilometers33.796224 kilometers per 3.7854118 liters = 8.928017818299187 kilometers per liter.... call it 8.93------------1 Imperial Gallon = 4.54609 litersSo, 21 miles per gallon = 21 miles per 4.54609 liters21 miles = 33.796224 kilometersSo 1 mile = 1.609344 kilometersSo, 33.796224 kilometers per 4.54609 = 7.43413008862759 kilometers per liter.... call it 7.43