Ayush stiches golden plate on edges of circular bed of $7$ metre diameter. Labour to stich golden plate is Rs.$3$ per metre. Find the labour charge of Ayush in rupees.

Given: Charge of stiche golden plate on edges of circular bed of $7$ metre diameter. Labour to stich golden plate is Rs.$3$ per metre. 

To do: To find the total labour charge.

Solution:

Diameter of circular bed $(d)=7\ m$

$\Rightarrow$ Radius of circular bed $( r)=\frac{d}{2}=\frac{7}{2}$

Labour to stich golden plate on edges of circular bed $=Rs.\ 3\ per\ m$.

Therefore, Total Labour charges $=Rs. 3\times 2\pi r$

$=Rs.\ ( 3\times 2\times \frac{22}{7}\times\frac{7}{2})$

$=Rs.\ 66$

Therefore, total labour charge is $Rs.\ 66$.
 

Updated on: 10-Oct-2022

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