1. From 125 feet uphill from base of the tree, angle of depression to top of tree is 8.1 degrees, and the additional 6.5 degrees to base. Determine distances x and y, and how tall is tree h?
2. From far side of the lake angle of elevation to top of a tree on opposite shore is 22 degrees, after walking 85 feet further away from lake and tree, angle of elevation is now only 17 degrees. How long is lake, x, and how tall is this giant redwood tree, h?