# Mathetics - the science of learning

by Roubina
(Pakistan)

cost of polishing

The approximate cost of polishing the table shown below, with semi-circular ends, at the rate of Rs. 5 per square meter in rupees?

### Comments for Mathetics - the science of learning

 Jan 08, 2014 cost of polishing a table by: Staff Answer Part I the cost of polishing the table = area of table in square meters * Rs. 5 per square meter -----------------------------------------------

 Jan 08, 2014 cost of polishing a table by: Staff ----------------------------------------------- Part II area of table area of table = area of center rectangle + area of right end + area of left end center of center rectangle: Area center rectangle = length * width Area center rectangle = 12 meters * 4 meters Area center rectangle = 48 meters2 -----------------------------------------------

 Jan 08, 2014 cost of polishing a table by: Staff ----------------------------------------------- Part III both table ends: Area = pi * r2 Area = 3.14159 * 22 Area = 12.56636 meters2 -----------------------------------------------

 Jan 08, 2014 cost of polishing a table by: Staff ----------------------------------------------- Part IV -----------------------------------------------

 Jan 08, 2014 cost of polishing a table by: Staff ----------------------------------------------- Part V area of entire table = center rectangle + both table ends area of entire table = 48 meters2 + 12.56636 meters2 area of entire table = 60.56636 meters2 cost of polishing = (Rs. 5 per square meter) * 60.56636 meters2 cost of polishing = Rs. 302.8318 -----------------------------------------------

 Jan 08, 2014 cost of polishing a table by: Staff ----------------------------------------------- Part VI Thanks for writing. Staff www.solving-math-problems.com

Join in and write your own page! It's easy to do. How? Simply click here to return to Math Questions & Comments - 01.

Copyright © 2008-2015. All rights reserved. Solving-Math-Problems.com