Sampson, Donny and Henry are camping in their tents If the distance between Sampson and Donny is 153 feet, the distance between Sampson and Henry is 201 feet, and the distance between Donny and Henry is 175 feet, what is the angle between Donny, Henry and Sampson ?

20 sharpened pencils are placed in a box containing an unknown number of unsharpened pencils suppose 15 pencils are removed at random and five of the remove pencils are sharpened based on this is it reasonable to assume that the number of unsharpened pencil is 40 explain your reasoning