i got 2136cm2 but my answer key says different... please help and show all work

It all depends what value they use for pi 3.14 or 22/7 or just pi on the calculator.
I used 3.14 and got 2.135.2
2(3.24)(10)^2+2(3.14)(10)(24)
Step-by-step explanation:
Answer:
Step-by-step explanation: