courtneypatterson courtneypatterson

04-05-2015
Mathematics

contestada

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

Respuesta :

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 three ways a justice can be removed

Describe the positive and negative aspects of Jacksonian democracy

how many square yards are in 156 square ft

The peripheral nervous system _________________________________. a. is not linked to the central nervous system b. is composed only of motor neurons c. consists

What is the closest reservation to Mosier?

help please!! Need this ASAP

The large rectangle below represents one whole. What percent is represented by the shaded area? Look at the image to see the rest of the problem.

there is a line that includes the point (1,5) and has a slope of 15. what is its equation in slope-intercept form?

Jared made an agreement to pay off his total debt of $725 in the next 3 months. If he has already paid off $632.50, how much will he have to pay each month to p

I read an article from time.com saying that reconstruction did not fail, but it was overthrown. What do they mean by "overthrown"?