a box with a lid is made of wood which 3cm thick. its external length,breadth and height are 56cm, 39cm, and 30cm respectively.find the capacity of the box .
Madhu123mri:
3+3 is coming because we are not measuring the thickness so we are subtracting it from the external dimensions.
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It is done as shown in the picture.
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thanks
how is (3+3) coming
the answer is absolutely correct
Thanks!
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