A) \[100\,\,\pi \]
B) \[110\,\,\pi \]
C) \[115\,\,\pi \]
D) \[119\,\,\pi \]
Correct Answer: B
Solution :
Given, R = 3 cm. r = 2 cm, A = 10 cm Total surface area \[=2\pi \,\,(R+r)\,\,(R+h-r)\] \[=2\pi \,\,(3+2)(3+10-2)=110\pi \]sq cmYou need to login to perform this action.
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