Asked by lucy
In a circle radius 10cm,an arc PQ subtends an angle of radians at the centre of the circle.Calculate the radius of another circle whose circumference is equal to the length of arc PQ
Answers
Answered by
oobleck
fill in the missing numbers which you tried to copy/paste.
In a circle of radius 10 with angle θ, PQ = 10θ
So, if circle S has circumference 10θ, its radius is 10θ/(2π)
In a circle of radius 10 with angle θ, PQ = 10θ
So, if circle S has circumference 10θ, its radius is 10θ/(2π)
Answered by
lucy
I did not copy paste this question anywhere
Answered by
oobleck
Sorry. Number which you deliberately concealed ...
Answered by
lucy
what are u talking about
Answered by
oobleck
You say "an angle of radians" without specifying how many radians. It's vital information.
an angle of 2.3 radians?
an angle of π/4 radians?
an angle of √7 radians?
an angle of 2.3 radians?
an angle of π/4 radians?
an angle of √7 radians?
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