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Degger [83]
3 years ago
14

To the nearest square meter, what is the curved surface area of the half pipe if it’s 7 m long?

Mathematics
2 answers:
DIA [1.3K]3 years ago
7 0

Answer:

55m^2

aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa

cupoosta [38]3 years ago
6 0

Answer:

  55 m²

Step-by-step explanation:

The arc length of a half-circle is πr, so the area of the curved surface is ...

  A = πrl = π(2.5 m)(7 m) = 17.5π m² ≈ 55 m²

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