Archive for August, 2011

From MSJ

From The Mathematics Student Journal ACJD, CBGH and BAEF are squares constructed outwardly on the sides of triangle ABC. DE, FG and HJ are drawn. If the sum of the areas of squares  BAEF and CBGH is equal to the area of the rest of the figure, find the measure of angle ABC. Solution: Let [...]

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Divisible by 641!

From a friend: If prove that p is divisible by 641. Solution: Since 641 is a prime number and it is not present in denominator, hence p is divisible by 641.

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