1. Similarity & Trig Review

2. BD is parallel to AE. Find DE and CE DE = 15 CE = 21

3. A model of a building has a scale of 2 in to 15 ft. If the model is 5 in tall, how tall is the actual building?

4. CAT ~ DOG Find: x and y

5. CAT ~ DOG What is the scale factor?

6. CAT ~ DOG What is the perimeter of CAT? What is the perimeter of DOG? What is the ratio of the perimeters of CAT to DOG?

7. CAT ~ DOG What are the measures of angles D, O, and A?

8. A boy who is 5 ft. tall cast a shadow that is 12 ft long. At the same time, a building nearby cast a shadow that is 72 ft long. How tall is the building? Draw a picture!

9. Are these triangles similar? Why or Why Not? NO

10. Are these triangles similar? Write a similarity statement. ABC ~ __________ By what rule? SSS~ FDE

11. Are these triangles similar? Write a similarity statement. RST~ __________ By what rule? SAS~ XYZ

12. DE is parallel to BC. Find the length of BC. A BC DE 6 6 5 10

13. An 8 foot ladder is leaning against a wall so that the base is 5 feet from the base of the wall. What angle does the ladder make with the ground? Round to the nearest tenth. 8ft 5ft A

14. Bob is looking at a helicopter that is flying 1,000 feet above the ground. Bob is 1,500 feet from the helicopter. At what angle of elevation is Bob looking at the helicopter? Round to the nearest tenth. 1000ft 1500ft Bob Helicopter

15. A kite is being flown using 150 yards of string. The kite has an angle of elevation with the ground of 65 degrees. How high above the ground is the kite? Kite 150 yards 135.95 yards = x x