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ValentinkaMS [17]
3 years ago
15

PLease help meeeeeeeeeeeeeeeeeeeeeeeee

Mathematics
2 answers:
ivanzaharov [21]3 years ago
8 0

Answer:

a. the diameter is <u><em>127.324 yards</em></u>

b. The area is <u><em>12732.385</em></u> yards^2

Step-by-step explanation:

The circumference of the circle is 400, and to get circumference from diameter, multiply it by π, so we divide by pi to get the diameter. 400/π = 127.324

The area of a circle is πr^2. To find r, or radius, divide the diameter by 2 to get 63.662. So it is 63.662^2π. 63.662^2 = 4052.844, so 4052.844π, and now we get 12732.385

timurjin [86]3 years ago
3 0
127.32
divide the diameter (400) by pi
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