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Find the surface area of the above solid.A. 43 cm2B. 58 cm?C. 54 cm?D. 52 cm?

Find the surface area of the above solid.A. 43 cm2B. 58 cm?C. 54 cm?D. 52 cm?-example-1

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To answer this question we will use the following diagram as a reference:

Therefore the surface area of the given solid is:


\begin{gathered} SA=2(4cm*1cm)+2(1cm\operatorname{*}1cm)+2(1cm\operatorname{*}4cm)+2(4cm\operatorname{*}1cm)+1cm\operatorname{*}4cm \\ +3cm\operatorname{*}4cm+4cm\operatorname{*}4cm. \end{gathered}

Simplifying the above result we get:


\begin{gathered} SA=8cm^2+2cm^2+8cm^2+8cm^2+4cm^2+12cm^2+16cm^2 \\ =58cm^2 \end{gathered}

Answer: Option B.

Find the surface area of the above solid.A. 43 cm2B. 58 cm?C. 54 cm?D. 52 cm?-example-1
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