SOLUTION: To the nearest three decimal places: (a) Find the length of the arc that subtends the given central angle 3.5 on a circle of diameter 177 cm. (b) Find the area of the sector

Algebra ->  Trigonometry-basics -> SOLUTION: To the nearest three decimal places: (a) Find the length of the arc that subtends the given central angle 3.5 on a circle of diameter 177 cm. (b) Find the area of the sector       Log On


   

Question 259102: To the nearest three decimal places:
(a) Find the length of the arc that subtends the given central angle 3.5 on a circle of diameter 177 cm.
(b) Find the area of the sector defined by the above information.
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
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(a) Find the length of the arc that subtends the given central angle 3.5 on a circle of diameter 177 cm.
:
%283.5%2F360%29%2A+2%2Api%2A1.77 = .108 cm
:
(b) Find the area of the sector defined by the above information.
:
%283.5%2F360%29%2A+pi%2A1.77%5E2 = .096 sq/cm