Asked by Jessica
Find the area of each circular segment to the nearest tenth, given its central angle, x, and the radius of the circle.
x= pi/8, r=7
x= pi/8, r=7
Answers
Answered by
Damon
find the area of the whole circle pi r^2
multiply that by (central angle)/2pi
In this case:
Atotal = pi (49)
so the area of this fraction of the circle is
[(pi/8)/2pi ]pi (49)
=(49/16)pi
multiply that by (central angle)/2pi
In this case:
Atotal = pi (49)
so the area of this fraction of the circle is
[(pi/8)/2pi ]pi (49)
=(49/16)pi
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