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NARA [144]
3 years ago
8

The circumference of a circle is

Mathematics
1 answer:
EleoNora [17]3 years ago
8 0

Answer:

C=2πr

Step-by-step explanation:

The circumference is the total distance around the circle.

C=πd but d = 2r.

:.C=2πr.

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A stadium has central rectangular area 125m long by 80 m wide there are two semicircular ends.running tracks goes all way round
olga_2 [115]

) Using formula for cicumference.

Circumference = Pi * diameter

Circumference = Pi * 80m

Circumference = 251.2m.

Total inside length of the curved ends.

2)Total distance round inside of track =

2(125) + 251.2m

= 250 + 251.2

= 501.2m

3) Area of circular ends =

Pi*r^2

= Pi*40^2

= 5024m^2

Area of central area (rectangle)

length * width

125m * 80m

= 10,000m^2

Total area inside track =

5,024m^2 + 10,000m^2

= 15,024m^2

Hope this helps.

:-)

7 0
3 years ago
What is the answer to 12.5 x n=32
adell [148]
I think that it is 2.4.
8 0
3 years ago
a cereal box is 18 inches by 3 inches by 12 inches. After breakfast, the box is one-third full. How many cubic inches of cereal
Nadusha1986 [10]

*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆**☆*――*☆*――*☆*――*☆

Answer: 216 in ^3

Explanation:

18 x 3 x 12 = 648

648 / 3 = 216 in ^3

I hope this helped!

<!> Brainliest is appreciated! <!>

- Zack Slocum

*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆**☆*――*☆*――*☆*――*☆

5 0
3 years ago
Which value shows written as a percent?
GenaCL600 [577]
Your answer would be a

7 0
3 years ago
Read 2 more answers
Aviva and emilio purchased their home for $288,846. the home has increased in value by 30% since the year of purchase. given the
WARRIOR [948]
By 30%

original=100%
100%+30%=130%
find 130% of 288846

1.30 times 288846=375499.8

answer is C which is closest
8 0
3 years ago
Read 2 more answers
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