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11. A man standing on the bank of the river observes the angle subtended by a tree on the opposite bank is 60 degrees,when he retires 36m from the bank he finds the angle to be 30 degrees.Find the breadth of the river A 20 B 16 C 18 D 22 |
| Answer» 11. A man standing on the bank of the river observes the angle subtended by a tree on the opposite bank is 60 degrees,when he retires 36m from the bank he finds the angle to be 30 degrees.Find the breadth of the river A 20 B 16 C 18 D 22 | |