Saima wants to put a lace on the edge of a circular table cover of diameter m. Find the length of the lace required and also find its cost if one meter of the lace costs ₹ . (Take ).
From the given details we get to know that diameter of the circular table is m & we are going to determine the length of the lace required and its cost if one meter of the lace costs ₹ .
We know that. radius (r) =
=
= m
Also
Circumference of the circle =
=
=
So, the length of lace =
Cost of 1 m lace = ₹ [given]
Cost of 4.71 m lace = ₹
= ₹
Length of the ace required=
Hence, the cost of lace is ₹