A pendulum L inches in length takes t seconds to make one full cycle according to the equation t = 21
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To the nearest tenth of an inch, what is the length of a pendulum that completes one full cycle every 1.5 seconds?

for this case we have that by definition, the surface area of a cylinder is given by:

where:

r: it is the radius of the cylinder

h: it is the height of the cylinder

we can also rewrite it as:

where:

la: it's the lateral area

ba: area of the base

option a