Question

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

Answer 1

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}`