a circular pond of diameter 35m is surrounded by a circular path of width 4.5 m. Find the area of the path
Janarthan:
plz answer
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let area of outer circle=R
R=radius of inner circle+path width
R=35+4.5=39.5
area of width=π(R-r)(R+r)
=π(39.5+35)(39.5-35)
=22/7*74.5*4.5
=1052.68 approx.
R=radius of inner circle+path width
R=35+4.5=39.5
area of width=π(R-r)(R+r)
=π(39.5+35)(39.5-35)
=22/7*74.5*4.5
=1052.68 approx.
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