SOLUTION: square holes of side 3cm are made on four sides of a shoe box of dimensions 30cm x 15cm x 18cm and then the box (without the lid) is painted.find the area of the painted surface.

Algebra ->  Volume -> SOLUTION: square holes of side 3cm are made on four sides of a shoe box of dimensions 30cm x 15cm x 18cm and then the box (without the lid) is painted.find the area of the painted surface.       Log On


   

Question 1005458: square holes of side 3cm are made on four sides of a shoe box of dimensions 30cm x 15cm x 18cm and then the box (without the lid) is painted.find the area of the painted surface.

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
square holes of side 3cm are made on four sides of a shoe box of dimensions 30cm x 15cm x 18cm and then the box (without the lid) is painted.find the area of the painted surface.
-------
Assuming the base dimensions are 15 by 18 and the height is 30,
Original area:: 2(30*15+30*18)+(15*18) = 2250cm^2
-----------
Cut-out areas:: 4*9cm^2 = 36cm^2
-----
Remaining area:: 2250-36 = 2214cm^2
========
Cheers,
Stan H.
------------------