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Find the best approximation of the surface area of this cylinder. 1380 cm2 4280 cm2 2140 cm2 1070 cm2
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1 vote
Find the best approximation of the surface area of this cylinder.

1380 cm2

4280 cm2

2140 cm2

1070 cm2

Find the best approximation of the surface area of this cylinder. 1380 cm2 4280 cm-example-1
User Kircheis
by
8.3k points

2 Answers

4 votes

Answer:

1380

Explanation:

User Kavita Patil
by
8.2k points
4 votes
the main formula is A= 2pi r (H + r)
H= 9, and r= 11
so A= 2 *3.14*11* (9 + 11) = 1381.6 cm²
so the answer is 1380 cm2
User FredSuvn
by
8.5k points
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