From a point on the ground at a distance 2m from the foot of a vertical wall, a ball is thrown at an angle of 45^(@)of which just clears the top, of the wall and afterward strikes the ground at a distance 4m on the otherside The height of the wall is

From a point on the ground at a distance 2m from the foot of a vertica

1.	From a point on the ground at a distance 2m from the foot of a vertical wall, a ball is thrown at an angle of 45^(@)of which just clears the top, of the wall and afterward strikes the ground at a distance 4m on the otherside The height of the wall is
Answer» `2//3m` `3//4m` `1//2m` `4//3m` ANSWER :D