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8 and 9 question, what is the volume of the gift box ?

8 and 9 question, what is the volume of the gift box ?-example-1
User Zenil
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1 Answer

22 votes
22 votes

Given:

Find-:

The surface area of the box

Explanation-:

The surface area of the box is:


=ABCD+EFGH+EDCH+ABGF+ADEF+BCGH

So,


\begin{gathered} ABCD=EFGH \\ \\ EDCH=ABGF \\ \\ ADEF=BCGH \end{gathered}

So, surface area becomes:


=2(ABCD+EDCH+ADEF)

The formula of area is:


\text{ Area }=\text{ Length }*\text{ Width}
\begin{gathered} =2((15*10)+(10*2)+(15*2)) \\ \\ =2(150+20+30) \\ \\ =2(200) \\ \\ =400\text{ in}^2 \end{gathered}

The wrapping paper area is 400in²

8 and 9 question, what is the volume of the gift box ?-example-1
User Worrawut
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3.0k points