Question

what is the LSA of a right cylinder circumference of its base equal to 144 cm and height equal to 10 cm​

Answer 1

Step-by-step explanation:

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Answer 2

Lateral surface area(LSA) of the cylinder is 1440 $cm^{2}$

Explanation:

Given: Circumference of the base of the cylinder is 144 cm and height is equal to 10 cm.

To find: LSA of the cylinder

Solution:

We have, circumference of the base of the cylinder is 144 cm.

Let the radius of the base of the cylinder is r.

So, $2\pi r=144$

$r=\frac{144\times7}{2\times22}$

$r=\frac{36\times7}{11}$

Now, we know that the lateral surface area of the cylinder is $2\pi rh$

Here, height is 10 cm. So,

LSA$=2\times\frac{22}{7}\times\frac{36\times7}{11} \times10$

$=1440 cm^{2}$

So, LSA of the cylinder is 1440 $cm^{2}$

Learn more:

LSA of a cylinder

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