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Mathematics 8 Online
OpenStudy (anonymous):

On the circle A, arc MN is 1/4 of the circle and on the circle K, its 1/3 of the circle. If radii of the circles are 8 and 3, which is the sum of the lengths of arcs NM on both circles?

OpenStudy (anonymous):

OpenStudy (dumbcow):

circumference is 2*pi*radius circumference of both circles is 6pi and 16pi arc NM is equal to 1/4*16pi and 1/3*6pi The sum is 4pi + 2pi = 6pi

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