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Anil Saigal 10/07/2008 FOR STUDENTS PROBLEM # 1 FOR GROWNUPS PROBLEM #2
 Please send your solutions to anil@lokvani.com.
 Problem Solutions 10/02/08PROBLEM # 1 In quadrilateral ABCD, angle B is a right angle, diagonal AC is perpendicular to CD. Given: AB=18, BC=21 and CD=14. Find the perimeter of ABCD. Solution: 84. FOR GROWNUPS An object moving along a curve in the xyplane has position (x(t), y(t)) at time t with dx/dt = cos(t^3) and dy/dt = 3 sin(t^2) for 0<=t<=3. At t=2, the object is at position (4,5). Find the total distance traveled by the object over the time period 0<=t<=1. Solution: Congratulations to Aseem Chandawarkar, Maithri Harve, Anupa Manjunatha and Swati Ramanujan, who were winners of the last set of puzzles. You may also access this article through our website http://www.lokvani.com/ 
 
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