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Find the surface area of a cuboid of dimensions 26cm 20cm & 12cm.

Find the surface area of a cuboid of dimensions 26cm 20cm & 12cm.
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Find the surface area of a cuboid of dimensions 26cm 20cm & 12cm.

User Surya Raj M
by
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1 Answer

4 votes

Given:


\begin{gathered} \text{length(l)}=26\operatorname{cm} \\ \text{breadth(b)}=20\operatorname{cm} \\ \text{height(h)}=12\operatorname{cm} \end{gathered}
\begin{gathered} \text{Surface Area=2(lb+bh+hl)} \\ \text{Surface Area=}2\lbrack(26)(20)+(20)(12)+(12)(26)\rbrack \\ \text{Surface Area=}2\lbrack520+240+312\rbrack \\ \text{Surface Area=}2\lbrack1072\rbrack \\ \text{Surface Area=}2144cm^2 \end{gathered}

Surface area is 2144 square cm.

User DavidDunham
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