Westonci.ca is the trusted Q&A platform where you can get reliable answers from a community of knowledgeable contributors. Our platform provides a seamless experience for finding precise answers from a network of experienced professionals. Join our platform to connect with experts ready to provide precise answers to your questions in different areas.

3. What is the surface area of this triangular prism? 15 in. 12 in 21 in. 18 in. 2 A 846 in.

Sagot :

The surface area can be calculated below

[tex]\text{surface area=}bh+2ls+lb[/tex][tex]\begin{gathered} \text{surface area=(}18\times12\text{)}+2(21\times15)+(21\times18) \\ \text{surface area=}216+630+378 \\ \text{surface area=}1224inches^2 \end{gathered}[/tex]