Trust me, it's really easy!
break apart the shape (In 3D, I assume.) there should be 6 breaks apart. The top, bottom, and four sides. After you find the area, (Base x Base x Height for the 4 sides, and Side x Side for the top and the bottom of the figure.) Then you add all of them up, and there's the surface area! If you need more help, message me, I'd be glad to help.
Answer:
Step-by-step explanation
The answer is D I did this before in 8th grade Im in Oxford
Answer:
0.800 kg
Step-by-step explanation:
D)$40 because you divide 2 and 48 then multiply 10 then you do 20 x 10 then subtract the two answers