Tuesday

October 21, 2014

October 21, 2014

Posted by **Simon** on Thursday, January 31, 2013 at 7:28am.

A box measures 60cm*52cm*40cm.find the area of the cardboards required to make 280 such boxes.

- Math -
**Henry**, Saturday, February 2, 2013 at 9:58pmL * W * h = 60 * 52 * 40.

As = 2( L*W + L*h + W*h).

As = 2(60*52 + 60*40 + 52*40) = Surface

area of each box.

At = 280 * As. = Total area.

- Math -
**Simon**, Wednesday, February 6, 2013 at 4:24amThanx..

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