packwolf205
Answered

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The area of the circle

The Area Of The Circle class=

Sagot :

linandrew41

The area of the circle formula --> [tex]\pi r^2[/tex]

  • [tex]\pi[/tex] ≈ 3.14
  • r: length of radius --> 7km

            Length of radius is half of diameter which is 14km long

        [tex]Area = \pi r^2=\pi (7km)^2=(49\pi )km^2=153.86km^2[/tex]  

Hope that helps!

DᴀʀᴋPᴀʀᴀᴅᴏx

[tex]\qquad\qquad\huge\underline{{\sf Answer}}♨[/tex]

Let's find the Area of given circle ~

Area of circle is :

[tex] \qquad \tt  \dashrightarrow \: \pi{r}^{2} [/tex]

where, r = radius

  • [tex] \tt r = d/2 = 14/2 = 7 km [/tex]

Now, let's calculate it ~

[tex] \qquad \tt  \dashrightarrow \: a = \pi{}^{}×(7)² [/tex]

[tex] \qquad \tt  \dashrightarrow \: a = 49\pi{}^{}km² [/tex]

That's the answer I terms of π, but we can also plug in the appropriate value of pi as 3.14

[tex] \qquad \tt  \dashrightarrow \: a=49\times 3.14{}^{} [/tex]

[tex] \qquad \tt  \dashrightarrow \: a= 153.86 \: \: km²[/tex]

[tex] \qquad \tt  \dashrightarrow \: area \approx 154\: \: km²[/tex]

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