48) Solve for the missing angles and sides using a calculator. The diagram below is not drawn to scale. a b AB C a. B = 4 , A = 25, c = 5 c. C = 42 , a = 21, c = 15 b. A = 13 , a = 21, b = 13 d. a = 10, b = 20, c = 14 49) A person casts a shadow that is 8 ft long. The angle of elevation from the tip of the shadow to the person's head is 35 . How tall is the person. 50) A 10 foot ladder is resting against a house. The top of the ladder is 7 feet from the ground. Find the angle the ladder makes with the ground. 51) A tree is growing in a field that is slanted 7 from the vertical axis. At this moment in time, the tree is leaning towards the sun casting a shadow 50 meters long. The angle between the tip of the shadow and the top of the tree is 27 . a. Draw a diagram representing the problem. b. Find the height of the tree. 52) A person is standing 250 feet from the base of a tall building. The angle of elevation to the top of the building is 63 . The angle of elevation to the top of the antenna located on the roof of the building is 68 . How tall is the antenna