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2. Lucas wants to find the height of a tree that is modeled in the diagram below, where LC is a right angle. The
angle of elevation from
point A on the ground to the top of the tree, H, is 40°. The angle of elevation from point
B on the ground to the top of the tree, H, is 80°. The distance between points A and B is 85 feet.


Part A: Lucas claims that AABH is isosceles. Explain why he is correct.



Part B: Determine and state, to the nearest foot, the height of the tree.

2 Lucas wants to find the height of a tree that is modeled in the diagram below where LC is a right angle The angle of elevation from point A on the ground to t class=

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