courtneypatterson courtneypatterson
  • 04-05-2015
  • Mathematics
contestada

Suppose the circumference of a circle is 2 pi what is the area?

Respuesta :

iGreen
iGreen iGreen
  • 04-05-2015
C = 2 * pi * r

Plug in what we know:

2pi = 2 * pi * r

Divide 2 pi to both sides:

r = 1

(Remember, anything divided by itself is equal to 1)

A = pi * r^2

Plug in what we know:

A = pi * 1^2

A = pi * 1

A = 1 pi

So the area is '1 pi' or just 'pi'.
Answer Link

Otras preguntas

What are the 6 most frequently cited areas of medical-related fraud in healthcare?
which of the following war was the last and resulted in the formation of the German empire
Describe Novgorod art. How is it different from or similar to Byzantine art?
Which of the following is a correct definition of the term armature? A. A type of resistant wire B. A type of dry cell battery C. A circuit diagram D. A small
how did the capitol torture peeta ? ( mockingjay )
Pitch me a short story idea. Nothing too short Nothing too long have it be simple so its like a 5th grader But not a simple as a 2nd grader. I fell asleep after
what is the answer to theses 5th grade math probs<br /><br /> 1. 4.9 ÷ 7 =<br /><br /> 2. 3.6 ÷ 9 =<br /><br /> 3. 2.4 ÷
mixed into the batter ( was or were) a dozen of the freshest eggs.
3X 9 7x 10 9x 5x 516. Check
help. integrated math 2A