Answer:
TSA = 2 pi r (r+h)
2×3.14 ×7 (7+12)
835.24 sq.cm
266pi
Explanation:
SA = 2*pi*r^2 + 2pi*r*h
= 2pi*r(r+h)
r = 7 and h = 12
2*pi*7(7+12) = 14pi*19=266pi
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