Question

What is the surface area of this? Please ignore my work!!

Answer 1

2400cm^2

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