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frutty [35]
3 years ago
10

If the circumference of a circle measures 5 pie cm, what is the area of the circle in terms of pie?

Mathematics
1 answer:
saw5 [17]3 years ago
4 0

Answer:

6.25π cm²

Step-by-step explanation:

pi = π

Circumference = 5πcm

Now first we should find radius(r)

2πr = 5π cm

pie will be cancelled and we get here

r = 5/ 2 cm

Therefore r = 2.5 cm

Now

Area (A) = πr²

= π * 2.5²

= 6.25π cm²

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Dana walks 3/4 miles in 1/4 hours. What is dana's walking rate in miles per hour?
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Complete Question

The complete question is shown on the first uploaded image

Answer:

1

   A_1  =  67.58 \ in^2

2

   A_2 =415.4 \ ft^2

3

   A_3  =  8.48 \ cm^2

4

  A_4 =  480.38 \ m^2

Step-by-step explanation:

Generally the area of a sector is mathematically represented as

         A =  \frac{\theta}{360} * \pi r^2

Now at r_1  = 11 in and  \theta_1 =  64^o

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Now at  r_3  = 6.5 cm   and  \theta_3 =  23 ^o

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         A_4 =  \frac{273}{360}  * 3.142 * 14.2^2

          A_4 =  480.38 \ m^2

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3 years ago
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