AriesLordOfRams AriesLordOfRams
  • 25-06-2017
  • Mathematics
contestada

The radius of a circle is 3 feet. What is the length of a 180° arc?

Respuesta :

bcalle
bcalle bcalle
  • 25-06-2017
s = r*theta
s = arc length
r = radius
theta = angle measure in radians. If given in degrees you must change to radians.

s = 3 * 180 * (pi/180)
s = 3 pi ft.
This is the exact value.
s = 9.42 ft. Is the decimal approximation.
Answer Link

Otras preguntas

Ej 8.36 En una agencia bancaria se reciben un 60% billetes nacionales (B_{1}) el resto en billetes extranje- ros (B_{2}) . De los billetes nacionales 95% son au
what is science?in terms of biology​
President roosevelt believed that having a canal through central america would save time and money for commercial and military shipping and?
sporadic is to regular as?​
Has anyone read the book "https://www.amazon.com/Girl-Aleppo-Nujeens-Escape-Freedom-ebook/dp/B072FTK9FN"? If yes could you please give me a summary of the book.
What are the spheres of your specialization?
Select the correct answer. after college gerald wants to take a graduation trip to china. he wants to save $4,000 for his trip in four years. about how much doe
(b) The table shows the percentage of total blood flow in different body parts of a horse at rest and when running.
Braden knows how to sing 6 vocal pieces, thanks to his choir class. Now he's about to start private lessons. His teacher says he will learn 1 new piece each wee
Pleaseeee helpppp meeeee