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

A town has received about 49 inches of rainfall each year for the last 122 years. About how many inches of rain is this?
write about plough and tractors.​
Show that a^5x(a^3)^2 can be expressed as a^11
Select the ACTION VERB in this sentence---> Why did the kids eat so much candy? * Why kids eat much candy
Given the function: f(x)=−(x−3)2+3. Describe the transformations in the order in which they occur.
what is 6y - (6 + 4y) = 26 ?? pls help
f(x) = -2x - 7 and g(x) = x+8/x find (g of f) (-7)
PLEASE HELP WITH EXPLANATION NO LINKS OR I Will Report You
John runs the same number of miles each day.write an expression to represent the number of miles John ran in June last year
Phân tích sự bảo vệ và phát triển chủ nghĩa xã hội khoa học của V.I.Lênin?