But i really need a name of this book and authors :)
Ok sure—————-_______—-____
12 divided by sin(60) equals to 8square root 3
4 because there’s usually only 4 answers
To find the surface area, you will use the formula area equals length times width to find the areas of all six shapes.
4×11, 4×5, and 11×5 are the three different areas shown. There are two of each, so 44×2, 20×2, and 55×2. 88+40+110=238 square mm.
238 square mm is the surface area.