%3D 11. In rt. AABC, AB 1 BC, BD 1 AC at point D, BC = 9, and AC = 12. Find the ratio of AD to DC. 16 b. 9. 9. d. 7. с. 9. a. 16

If the angle of elevation to the sun is 74.3 when a flagpole casts a shadow of 22.5 feet, what is the height of the flagpole? a. 63.2 feet b. 79.5 feet c. 83.1 feet d. 80.0 feet

In ABC, the midpoints of the sides are joined. a what does intuition suggest regarding the relationship between AED and FDE? We will prove this relationship later. b what does intuition suggest regarding AED and EBF.

Albert lives in New Orleans. At noon on a summer day, the angle of elevation of the sun is 84. The window in Alberts room is 4.0 feet high and 6.5 feet wide. (Sec Figure 24.) a. Calculate the area of the floor surface in Alberts room that is illuminated by the sun when the angle of elevation of the sun is 84. b. One winter day the angle of elevation of the sun outside Alberts window is 37. Will the illuminated area of the floor in Alberts room be greater on the summer day, or on the winter day? Figure 24