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Monthly Archives: January 2026
General solution of semi circular plate of pie problem
This is generalization of Graham’s problem in ingenious mathematical solutions.
Truck in the desert problem
I have thought of this problem for a long time. Now that i have solved it. I realize that the correct way to think about this problem is thinking in terms of multiples of 180 gallons and where can one reach. Continue reading
Book Review: Beautiful Geometry by Eli Maor
Thales of Miletus (624-546 BC): Born in modern Turkey. Traveled to Egypt. Calculated height of Pyramid. Angle in a semicircle is 90 or any point on the circumference subtends 90 degree to the diameter. Two base angles of Isosceles triangle … Continue reading
Fermat Contest 2019 Question 17 on Equilateral triangle inscribed in Regular Pentagon
The five sides of a regular pentagon are all equal in length. Also, all interior angles of a regular pentagon have the same measure and is equilateral. The measure of obtuse is
Fermat Contest 2016 Question 20 on folding paper
It’s a great question on how coloring can make the folded angles obvious Continue reading
Sumant's 1 page of Math 