Question
Wed March 02, 2011 By:
 

Q. 44. A LADER LEANING AGAINST A WALL IS INCLINED AT AN ANGLE ALPHA T OTHE HORIZONTAL ...THE TOP OF THE LADDER TOUCHES THE PARAPET.. ON MOVING ITS FEET "a" METRES AWAY FROM THE WALL, THE LADDER MAKES AN ANGLE BEETA TO THE HORIZONTAL AND ITS TOP NOW TOUCHES THE WINDOW. PROVE THAT THE DISTANCE OF THE PARAPET FROM THE WINDOW IS-------- a cot (alpha + beeta /2)

Expert Reply
Thu March 03, 2011
Dear Student
Here is a solution to your problem
Home Work Help