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AD and AE are respectively the altitude and angle bisector of ΔABC (D and E are on side BC). If DB  DC = 1029 and EB  EC = 189 then what is the value of AB  AC?
Find the minimum of √(58  42x) + √(149  140√(1  x^{2})), where 1 <= x <= 1.
Put three congruent triangles inside a unit square so that they don't overlap one another.
What is the maximum possible area of one of the triangles?
66, 78, 93, 105, 111, 114...
Consider the 5 numbers above.
Evaluate the next 3 numbers.


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