Trigonometric Ratios & Conditional Probability

Given the figure on the right, which of the folliwing statement is correct?

2. In the triangle COV, what is the length of CO?

3. In the triangle VID, what is the m∠V to the nearest degree?

4. What is the value of x?     

5. Find the value of side y to the nearest unit.

  6. A ladder lean against a brick wall. The foot of the ladder is 10 ft from the wall. The ladder reaches a height of 18 ft on the wall. Find to the nearest degree, the angle the makes with the wall.

7. A 67 ft wire connects a point on the ground to the top of a pole. The cable makes an angle of 55^o with the ground. What is the height of the pole to the neartest foot

8. An airplane climbs at an angle of 20^o with the ground. Find the ground distance   the plane travels as it moves 3000 m through the air. Give your answer to the nearest 100 m.

9. You see Mr. Gomez flying a kite in the park. The kite string is 55 meters long. What  angle does the string need to form with the ground so that the kite is 35 meters off of the ground?

11. The probability that an event will occur given that another event has

already occurred is called ___________________.