Asked by TRIG
Consider the following.
θ = 30°, d = 20 m
(a) Find the length of the arc that subtends the given central angle θ on a circle of diameter d.
(b) Find the area A of the sector determined by θ.
θ = 30°, d = 20 m
(a) Find the length of the arc that subtends the given central angle θ on a circle of diameter d.
(b) Find the area A of the sector determined by θ.
Answers
Answered by
oobleck
recall that arc length
s = rθ
a = 1/2 r^2 θ
θ, of course, is in radians.
s = rθ
a = 1/2 r^2 θ
θ, of course, is in radians.
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