#Surface Area Of Sphere 

Have you ever wondered how the Surface Area of a Sphere was derived?

Well here is a great visualization to alter your perception.

Step 1: Cut the sphere in the following way.

Step 2: Spread the cut out part across the paper.

Step 3: Collate the pieces together in the following way

Step 4: Spread the areas out separately to form a sine curve

Step 5: The area of the sine curve is the surface area of the sphere.