Evaluate the following integral, and use the result to prove that π is less than 22/7.
If decrease of x% in 240 and increase of x% in 180 gives the same result, then x% of 350 is less than (x +15)% of 280 by?
Two triangles have integral side lengths, with all sides being less than 50. They are similar but not congruent and smaller triangle has two side lengths identical with the larger triangle.
What is the sum of the side lengths of the larger triangle?
