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

round all the way 2689
A biologist wants to determine the effect of a new fertilizer on tomato plants. What could be a response variable?
What helps a writer organize her research paper note cards? A. a coding system B. an outline C. a rough draft D. an assertion
Protists that move with cytoplasmic extensions are called a. amoebas. b. ciliates. c. dinoflagellates. d. euglenoids.
What event marked the end of the era of prosperity associated with the roaring twenties
What does the L in LAN represent? a. Last b. Limited c. Local d. Longitudinal
What is the answer to the problem 5 1/6-2 3/4
After the fall of the Mongol Empire, which city emerged as the new political and cultural center of Russia? (1) Moscow (3) Novgorod (2) Warsaw (4) Kiev
The information regarding the origin and development of a word is that word's: lexicography etymology bibliography biography
angle 6 is 55 degrees and angle 5 is 125 degrees. Are these angles vertical or adjacent?