physics
One afternoon, a couple walks fiveeighths of the way around a circular lake, the radius of which is 1.45 km. They start at the west side of the lake and head due south to begin with.
(a) What is the distance they travel?
asked by
kj

distance=radius*5/8*radius*2PI
posted by bobpursley

delete one of the radius in the above, I got carried away.
posted by bobpursley

WHAT IS Pl???
posted by Anonymous
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