In a cirle of area 100pi sq. units some angle theta subtends an arc of 7.85 units. what is the circumference of that circle?
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Given , area of circle = 100π
πr²= 100π
r=±10=10
Circumference of circle =2πr =2*3.14*10=62.8 units
I wonder why the arc length was given...
πr²= 100π
r=±10=10
Circumference of circle =2πr =2*3.14*10=62.8 units
I wonder why the arc length was given...
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