Asked by urvashi
find the radius of the circle if length of arc is 4p cm and angle made by the arc at
the centre is 40 deg.find the area made by the arc.
the centre is 40 deg.find the area made by the arc.
Answers
Answered by
Steve
40° = 2π/9, so since
s = rθ, sol for r:
4π = 2π/9 r
r = 18
s = rθ, sol for r:
4π = 2π/9 r
r = 18
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