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

What is Circular Motion?
The fastest a human has ever run is 27 miles per hour. How many miles per minute did the human run?
Write the number in two other forms: 0.632 --------- The example reads: 0.200 / 200 thousandths / 200 x 1/1000
20,000 is 1/10 of what?
what is 24 ten thousands
What is 70,030,000 in scientific notation
What is the GCF of 32 and 48
Calculate the number of moles 2.25 g of Na2CO3  0.800 g of NaOH  17.75 g of Na2SO4
1/4(12x+16)=10-3(x-2) anyone?
The 10th and the 20th term of an arithmetic sequence are 10 and 40, respectively. Find its 100th term.