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Monthly Archives: August 2023
Solve this square root without Calculator
Solve without calculator
Even number of outside doors
Posted in Combinatorics, Graph Theory, Parity, Proof, Proof by Construction
Tagged AoPS, Discrete Math, L.A Graham, Problem Solving
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River Boat Problem
Two boats on opposite banks of a river start moving towards each other.They first pass each other 1400 meters from one bank. They each continue to theopposite bank, immediately turn around and start back to the other bank. When theypass … Continue reading
Circular track opposite end problem
A and B travel around a circular track at uniform speeds in opposite directions, starting from diametrically opposite points (meaning they are directly opposite each other on the track). If they start at the same speed, meet first after B … Continue reading
Geometry
In triangle ABC, angle ABC=80, AD=AE and CE=CF. Find angle EDF
Geometry Isoceles Triangle
In triangle ABCC, AB=AC, AE=DE=CD and BC=CE. Find angle BAC.
Sumant's 1 page of Math 