Answer:
Step-by-step explanation:

Answer:
1750000000
Step-by-step explanation:
I used a calculator.
It will be c that how u will get your ansew
Circumference of entire circle = 2 * PI * 10
circumference of entire circle =
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62.832 feet
81 degrees is (9/40) of a circle
62.832 * </span></span></span><span>(9/40) = </span>
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<span>
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14.1372
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</span>
Source:
http://www.1728.org/radians.htm
Answer:
80 ft
Step-by-step explanation:
if 1 = 20 then 20 is width but ? is length
1=20
2=40
3=60
4=80
since 4 in is length then actual length is 80ft