What is the surface area of the prism?
It's A right rectangular prism has a length of 15 millimeters, width of 3 millimeters, and height of 4 millimeters.
15 * 3 * 2 = 90
15 * 4 * 2 - 120
4 * 3 * 2 - 24
I get a slightly different answer.
234
Yes, 234 square millimeters
Wait where’d you get the 2
Multiply
15 * 3 * 2 =90
15 * 4 * 2 =120
4 * 3 * 2 =24
Add
90+120+24= 234