Question

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

Answer 1

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

Explanation:

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Answer 2

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.