What is the surface area of this? Please ignore my work!!
Answer:
2400cm^2
Step-by-step explanation:
50 * 10 = 500
(40 * 30 / 2) * 2 = 1200
30 * 10 = 300
40 * 10 = 400
Now add them all together.
500 + 1200 + 300 + 400 = 2400