From the top of a tower of height 108 meter the angles of depression of two objects on either sides of the tower are 30° and 45°. The distance between the objects are :

• 180 ( 3 + √3 ) m
• 180 ( 3 - √3 ) m
• 180 ( √3 - 1 ) m
• 180 ( √3 + 1 ) m