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9. A tree is broken at a height of 8 m from the ground and its top touches the ground at a distance of 15mfrom the base of the tree. Find the original height of the tree.10. To find the distance from point A to point B on opposite ends of a lake, a surveyor12 m16 mconstructed figure as shown. How far is it from A to B?Fig. Q. 10

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