glissman5704 glissman5704

19-08-2020
Mathematics

contestada

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

The radius is 2.5 m

Respuesta :

ihelp13241 ihelp13241

19-08-2020

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

Answer Link

robertm2287 robertm2287

19-08-2020

Answer:

9.5

Step-by-step explanation:

Answer Link

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