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(Part A)Find the area of the circle with a radius of 4m.
(Part B)Find the circumference of the circle with a radius of 4 m.

Part AFind The Area Of The Circle With A Radius Of 4m Part BFind The Circumference Of The Circle With A Radius Of 4 M class=

Sagot :

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Step-by-step explanation:

Part A)

Area of Circle =

[tex]\pi {r}^{2} \\ = \pi( {4}^{2} ) \\ = 16\pi {m}^{2} [/tex]

Part B)

Circumference of Circle =

[tex]2\pi \: r \\ = 2\pi(4) \\ = 8\pi \: m[/tex]

theleangreenbean

Answer:

Part A: 16π m²

Part B: 8π m

Step-by-step explanation:

Part A

[tex]A=\pi r^2[/tex] where r is the radius

Plug in 4 as the radius

[tex]A=\pi (4)^2\\A=\pi(16)\\A=16\pi[/tex]

Therefore, the area of the circle is 16π m².

Part B

[tex]C=2\pi r[/tex] where r is the radius

Plug in 4 as the radius

[tex]C=2\pi (4)\\C=8\pi[/tex]

Therefore, the circumference of the circle is 8π m.

I hope this helps!

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