Question

find the surface area of this cylinder.
use 3.14 for π.

surface area
of a cylinder
la = 2πrh
sa = la + 2b

sa = ? m²
round your answer to the nearest tenth

Explanation:

Step1: Calculate the lateral area (LA)

The formula for lateral area is \(LA = 2\pi rh\). Given \(r = 4\) m and \(h = 6\) m, and \(\pi=3.14\).

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Step2: Calculate the area of the base (B)

The formula for the area of a circle \(B=\pi r^{2}\). Substitute \(r = 4\) m and \(\pi = 3.14\).

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Step3: Calculate the surface area (SA)

The formula \(SA=LA + 2B\). Substitute \(LA = 150.72\) and \(B = 50.24\).

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Answer:

\(251.2\)