SOLUTION: There is a circular pond and a foot path runs along the boundary. A man walks around it exactly one, keeping close to the edge. If his step is 66 cm long and he takes exactly 400

Algebra ->  Pythagorean-theorem -> SOLUTION: There is a circular pond and a foot path runs along the boundary. A man walks around it exactly one, keeping close to the edge. If his step is 66 cm long and he takes exactly 400      Log On


   



Question 795212: There is a circular pond and a foot path runs along the boundary. A man walks around it exactly one, keeping close to the edge. If his step is 66 cm long and he takes exactly 400 steps to go around the pond . what is the diameter of the pond?..PLEASE GIVE ME ITS SOLUTION
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
+66%2A400+ = the circumference
of the pond in cm
Use formula +C+=+2%2Api%2Ar+
where +r+ = radius
+66%2A400+=+2%2Api%2Ar+
+r+=+%28+66%2A400+%29+%2F+%28+2%2Api+%29+
The diameter is twice the radius, so
+d+=+%28+66%2A400+%29+%2F+3.141+ cm
You can finish calculation