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Reika [66]
3 years ago
5

Circle O has a circumference of approximately 2501 ft.

Mathematics
2 answers:
OLga [1]3 years ago
8 0

Answer:

 If the circumference  of the circle is 250 feet → SECOND OPTION  (d ≈ 80ft)

If the circumference  of the circle is 2,501 feet → d ≈ 796ft

Step-by-step explanation:

We need to remember that the formula for calculate the circumference of a circle is this one:

C=2\pi r

Where "r" is the radius of the circle.

Knowing the circumference of this circle, we can solve for the radius from the formula:

r=\frac{C}{2\pi}

If the circumference  of the circle is 2,501 feet:

 r=\frac{2,501ft}{2\pi}=398.04ft

Since the diameter is twice the radius, we get that the approximate lenght of the diameter of this circle is:

d=2(398.04ft)

d ≈ 796ft

If the circumference  of the circle is 250 feet:

 r=\frac{250ft}{2\pi}=39.78ft

Since the diameter is twice the radius, we get that the approximate lenght of the diameter of this circle is:

d=2(39.78ft)

d ≈ 80ft

yawa3891 [41]3 years ago
6 0

For this case we have that by definition, the circumference of a circle is given by:

C = \pi * d

Where:

d: Is the diameter of the circumference

According to the data we have to:

C = 250ft

Substituting:

250 = \pi * d\\Taking\ \pi = 3.14\\250= 3.14 * d\\d = \frac {250} {3.14}\\d = 79,6178343949

Rounding out we have that the diameter is: 80

Answer:

Option B

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