How much sheet is needed to prepare a closed cylindrical drum having radius
70 cm and height 2 m?
(Select two correct alternatives.) 1) 11.88 m² (2) 8.8 m²
(3) 30800 cm^2 (4) 118800 cm^
plz answer fast with explanation
Answers
Answered by
1
Answer:(2)8.8 m²
Step-by-step explanation is given in picture below.
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Answered by
3
Answer:
1st and 4th options are correct
Step-by-step explanation:
tsa of cylinder = 2pie × r (r + h)
= 2 × 22/7 × 70 × (70 + 200)
= 2 × 22/7 × 70 × 270
=118800 cm² or 11.88 m²
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