SOLUTION: the area of a sector of a circle of radius 5cm formed by an arc of length 3.5cm is

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Question 843804: the area of a
sector of a circle of radius 5cm
formed by an arc of length
3.5cm is
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
If the arc length (S) was the circumference (2%2Api%2AR) of the circle, the area (A) of the sector would be the entire area of the circle (pi%2AR%5E2).
Set up a ratio.
S%2F%282%2Api%2AR%29=A%2F%28pi%2AR%5E2%29
S%2F2=A%2FR
A=RS%2F2=%28%283.5%29%285%29%29%2F2
where