If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

### Unit 10: Lesson 4

Nets of 3D figures

# Surface area using nets

## Problem

Check out this rectangular prism
The figure presents a rectangular prism. The line connecting the left and right faces is labeled as 2 units. The line connecting the top and bottom faces is labeled as 3 units. The line connecting the front and back faces is labeled as 5 units.
Find the surface area of the rectangular prism (above) using its net (below).
The figure presents a surface net of a rectangular prism. The net consists of 4 rectangles in a row, where the second rectangle from the left is also connected to a rectangle above it and a rectangle below it. The bottom of the left most rectangle is labeled as 3 units. The bottom of the second rectangle from the left is labeled as 2 units. The right side of the second rectangle from the left is labeled as 5 units. The left side of the rectangle located beneath the second rectangle is labeled as 3 units.
unitssquared
Stuck?
Stuck?