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

Question

04-05-2015
Mathematics

contestada

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

Respuesta :

Otras preguntas

An animal with a coelom, jointed appendages, and metameric segmentation would be classified in the phylum (A) Mollusca (B) Cnidaria (C) Platyhelminthes (D)

Mary is making a pinata that has a ball-like shape. The pinata has a surface area of 40 feet. Use the formula for the surface area of a sphere: (S=4πr^2) to fin

I need help on my English homework I have no

fun facts about Uranus the planet?

which number will make the fractions equivalent 25/35

What is the value of x? A right triangle with a short leg measuring 5, a long leg measuring 5, and the hypotenuse as x.A. 10 B. 5C. [tex] 2\sqrt5 [/tex]D. [tex

Two ships leave whittier, Ak at 7 AM. The first ship sails towards Valdez on a 54° course at a constant rate of 36 mi/h. The second ship sails towards Knight is

How much energy is contained in the mass of a 60-kilogram person?

If the circumference of a baseball is 24 cm what is the volume of the object

iGreen iGreen · Answer 1 · 2015-05-04T14:46:25+02:00

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