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Allisa [31]
3 years ago
8

How do i measure the circumference of a circle?

Mathematics
2 answers:
beks73 [17]3 years ago
7 0

Answer:

C=2 x pi x radius

Step-by-step explanation:

this is the formula

vova2212 [387]3 years ago
5 0

Step-by-step explanation:

To calculate the circumference of a circle, multiply the diameter of the circle with π (pi). The circumference can also be calculated by multiplying 2×radius with pi (π=3.14).

C = 2πr

Most of the time, you can leave you answer in terms of pi (Ex: 2π), insteqad of actually multiplying it by pi.

Does this help?

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vfiekz [6]

Answer: Each lap that Marshall runs has 452.16 yards

Step-by-step explanation:

Because the lap is circular, we know that the distance from the center of the track to any point of the path must be the same.

We know that he walkerd 72 yards, from the center to the path, se we know that the path is a cirlce of radius equal to 72 yards.

The perimeter of a circle is equal to P = 2*pi*r

where pi = 3.14

so we have that the perimeter of the track is 2*3.14*72 yards = 452.16 yards.

So each lap that Marshall runs has 452.16 yards

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3 years ago
X(3, 4); scale factor = 7
Minchanka [31]

Answer:

(21, 28)

Step-by-step explanation:

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Alex has three less than four times as many baseball cards as his brother jon. If they have 407 baseball cards. how many does ea
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