Question

The external dimensions ofa closed wooden gift box are 42 cm, 28 cm and 16 cm.If the box is made of 2cm thick wood.

(i)The internal dimensions of a closed wooden gift box are
A.38 cm, 28 cm, 16 cm.
B.38 cm, 24 cm,12 cm
C.38 cm, 24 cm, 16 cm
D.42cm, 28cm, 16 cm

Answer 1

The external dimensions of a closed wooden box are 42 cm, 32 cm and 27 cm. The thickness of wood is 1 cm. Therefore the internal volume of the box is 30,000 cm³.

Answer 2

Step-by-step explanation:

Here,

The external dimensions ofa closed wooden gift box are 42 cm, 28 cm and 16 cm.If the box is made of 2cm thick wood.

therefore, the internal dimensions are as follows :: --

$length = 42 - (2 \times 2)$

$= 38 \: cm$

$breadth = 28 - (2 \times 2)$

$= 24 \: cm$

$height = 16 - (2 \times 2)$

$= 12 \: cm$

so, the internal dimensions are 38 cm, 24 cm, 12cm..

so, the right option is option (b)...

thanks a lot..