tinysauraus05
tinysauraus05 tinysauraus05
  • 03-05-2020
  • Mathematics
contestada

Find the exact area of a circle having the given circumference.
8 pi
A =

a)4√2 pi
b)16 pi
c)64 pi

Respuesta :

ItzMikeSS
ItzMikeSS ItzMikeSS
  • 03-05-2020

Answer: B

Step-by-step explanation:

[tex]C=8\pi[/tex]

[tex]C=2\pi r[/tex]

Solve for r.

[tex]r=\frac{C}{2\pi}[/tex]

[tex]r=\frac{8\pi}{2\pi} \\r=4[/tex]

The formula for the area is: [tex]A=\pi r^2[/tex]

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

Answer Link
camcamt18 camcamt18
  • 27-05-2020

Answer:

Answer is B

Step-by-step explanation:

The formula for the area is: A=\pi r^2

A=\pi (4)^2\\A=16\pi

Answer Link

Otras preguntas

There are 2 questions pls help me plz!!
Which of the following words best describes the Pardoner's treatment of the Host? a. angry c. uneducated b. generous d mocking
Please solve for b and select the correct answer from below.
In the figure above, AB=4.8 and AC=7.2. What is the length of segment BC?
what are the coordinates of E' after a dilation of 1/4 about the origin? the coordinates for E is (-2,-2).​
See attachment. Divide the expression.
Need help please! Be a helpful person​
A group of students working in a high school chemistry lab believe they have discovered a new element! How exciting! Upon further testing by scientists (with b
If the m∠SRW = 85°, what are the measures of ∠VRU and ∠URW? m∠VRU = ° m∠URW = °
In the figure above, AB=4.8 and AC=7.2. What is the length of segment BC?