Calculating area of geometry with curved lines is more challenging than shapes with straight lines. The area of a circle is typically calculated πr 2 with Calculus. It's the value we accept and use. But did you know that we can derive the formula A=πr 2 in a more easier way to see why it is the way…
Prior to the year 1972, Sri Lanka was known as Ceylon. For more than a century Sri Lanka was a British crown colony but on 4 February, 1948 the country achieved its independence to officially become the Democratic Socialist Republic of Sri Lanka. Sri Lanka Flag Don Stephen Senanayake became Sri…
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