hanmidppriya hanmidppriya
  • 04-02-2017
  • Mathematics
contestada

Express the area of a circle, a, as a function of its circumference,
c.

Respuesta :

wolf1728
wolf1728 wolf1728
  • 04-02-2017
Area = PI * radius^2

Circumference = 2 * PI * radius
radius = Circumference / 2 * PI

So, Area = PI * (Circumference / 2 *PI) * (Circumference / 2 *PI)
So, Area = Circumference^2 / (4*PI)

Answer Link

Otras preguntas

Simplify the expression: In(e^5x).
The sum of two integers with different signs is 8. Give two possible integers that fit this description
A resistance of  10ohm is bent in the form of a closed cirle. What is the effective resistance between the two pints of any diameter of this circle?
Evaluate the expression when x = -2.5 1. -x 2. |x| + 3 3. |x| - 4 Help me please!!? D;
Can some one help me with this??? Really need help
Where does friction occur? Can it happen in liquids, air, with solids?
Which number is a multiple of 6? A 65 B 70 C 79 D 96 How do I find out?
what was Rutherford's contribution to our knowledge of atoms
Can some one help me with this??? Really need help
What is the complete predicate of the following sentence? Sharon and Jason went for a walk and then a bike ride.