A cylinder has a diameter of 10 decimeters. What is the length of the curved surface? 78.5 decimeters 31.4 decimeters 62.8 decimeters 15.7 decimeters

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Gabriel Mazetto asked Sep 14, 2023

486,149 views

37 votes

A cylinder has a diameter of 10 decimeters. What is the length of the curved surface?

78.5 decimeters
31.4 decimeters
62.8 decimeters
15.7 decimeters

Mathematics
college

Gabriel Mazetto asked Sep 14, 2023

by Gabriel Mazetto

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1 Answer

9 votes

The length of the curved surface is the circumfrence of a circle with radius r = 10/2 = 5 decimeters.

Length of curved surface = 2π x 5 = 10π ≈ 31.4 decimeters.

Ratan Sebastian answered Sep 19, 2023