Lesson 19 Assignment 1- Solve for the value of b. [4 marks] 53 72. B 18 cm 2. Solve for the value of p. [4 marks] 87- 12 m 23 m Q R 3. Solve for the values of y and 8. [5 marks] 110' y 15 mm 34 mm A triangular piece of wood has side lengths 14 cm, 19 cm and 30 cm. The angle between the 14 cm and 19 cm sides need to be known to see if it will fit properly into a cabinet. What is the angle, accurate to one decimal place, between the 14 cm and 19 cm sides? [4 marks] 5 . A hot air balloon is to be attached to the ground using two support ropes. One support is attached on one side of the balloon at an angle of elevation of 42. Another support is attached on the other side of the balloon at an angle of elevation of 50. The distance between the locations the supports are attached on the ground is 40 m. How long is the rope that is attached at the 42? [4 marks] b . How high is the balloon? [4 marks]