A hot air balloon is flying at an altitude of 800 feet. A passenger takes a picture of the top of a tree and estimates that the angle of depression to the top of the tree is about 43°. He estimates
the angle of depression to the base of the tree to be 36°. What is the height of the tree?
9.

Will mark determine whether the conjecture is true or false. give a counterexample for any false conjecture. given: points r, s, and t conjecture: r, s, and t are coplanar. a) false; the points do not have to be in a straight line. b) true c) false; the points to not have to form right angles. d) false; one point may not be between the other two.