meoGHwmakraz
meoGHwmakraz meoGHwmakraz
  • 02-07-2016
  • Mathematics
contestada

what is the radius of a circle in which a 30° arc is 2 inches long?

Respuesta :

Ckaranja
Ckaranja Ckaranja
  • 04-07-2016
Length of arc=[tex] \frac{Ф}{360} 2 \pi r[/tex]
2=[tex] \frac{30}{360} *2*3.412*r[/tex]
2=0.5237r
r=[tex] \frac{2}{0.5237} [/tex]
r=3.82 inches
Answer Link

Otras preguntas

A circular pool is ten feet in diameter and five feet deep. What is its volume, in cubic feet?
Can someone please help me ?
how do day and nightat uranus's equator change asthe uranus revolves around the sun?
Can someone please help me ?
A flight instructor charges $50 per lesson, plus an additional fee for the use of his plane. The charge for the use of the plane varies directly with the square
least number that has 2, 3, 4, as factors
USE A NUMBER LINE TO FIND 8/9 / 8/45.
what does etymology study?
Differences between DNA and RNA include which of the following? (1) RNA consists of one nucleotide chain. (2) RNA contains the nitrogen base uracil instead of t
Why does Louis XIV want to expand France's border?