Question

Find the area of curved surface of a right cone with perimeter of the base is 88 cm, slant height is 2dm

Answer 1

Answer:

Well, Mensuration is my first love. I will try to give you an accurate answer!

Here you go, look at the picture below-

So, the perimeter of the base is 88 cm.

And we already know the formula to find the circumference of a circle, and it is- 2πr unit

So if we relate it, we will get the Radius of the circle as 14 cm.

This is how you will find the Radius-

2πr= 88

Therefore, Radius= 14 cm.

Height of the cone (h) is= 48 cm

Therefore, the Slant Height of cone is= 50 cm. (Following Pythagoras Theorem)

Now, this is going to be the final phase of our answer.

Curved Surface Area= (14*50*22)/7 cm^2 which equals 2200 cm^2

Here's your answer, which is 2200 c

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