anikakoganti
anikakoganti anikakoganti
  • 24-03-2018
  • Mathematics
contestada

An arc of a circle is 3πm long, and it subtends an angle of 72° at the center of the circle. Find the radius of the circle.

Respuesta :

gracibear
gracibear gracibear
  • 24-03-2018
72⁰_______3π m
360⁰______15π m

C = 15π = 2π r
r = 7•5 m
Answer Link

Otras preguntas

The nation in Europe that was the GREATEST obstacle to both German and Italian unification was __________. a. Russia b. Austria c. France d. Great Britain
What is central idea?
12+4n Over 3= 8 What is n?
What was President Jefferson's top priority in his agenda? a. his welfare policy b. his economic policy c. his foreign policy d. education reform
find 7 times as much 6 less than 10
an ant can travel approximately 30 meters per minute . how many meters could an ant move in 45 minutes
Patricia is separating 16 soccer cards and 22 baseball cards into groups.Each group will have the same number of cards ,and each group will have only one kind o
Z = y/x if z = 4.0 and y = 6.8 what is the value of x?
Find the pair of words that has the same kind of relationship as the numbered pair. euthanasia : mercy :: A. Postmortem : analysis B. Matriculation : graduation
Samuel can type nearly 40 words per minute use information to find the number of hours it would take him to type 2.6 words times 10 to the power five words