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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 cm2 2140 cm2 1070 cm2
asked 207k views
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
asked
User Kircheis
by
8.3k points

2 Answers

4 votes

Answer:

1380

Explanation:

answered
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
answered
User FredSuvn
by
8.5k points
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