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11 votes
11 votes
Hello I need help on question #7… for geometry please. This is a practice sheet.

Hello I need help on question #7… for geometry please. This is a practice sheet.-example-1
User Couitchy
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1 Answer

23 votes
23 votes
Answer:

• The figure is a triangular prism

,

• The surface area is 88.54 sq mm

Step-by-step explanation:

The given figure is a triangular prism.

The surface area is given as follows:


\begin{gathered} A=2*(1)/(2)*9.7*7.2+3*3*9.7 \\ \\ =88.54mm^2 \end{gathered}

User Christoph Wurm
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2.5k points