Hi can you help me with these questions

1. Joanne has to replace the two supporting guy wires from a hydro pole. She measures the distance between the bases of the wires to be 10 m, and their angles of elevation to be 50 and 35. a. Determine the total length of guy wire that needs to be replaced. b. Determine the height of the pole.Communication [6 marks): 1. What conditions do you need before you can use the Cosine Law? 2. What conditions do you need before you can use the Pythagorean Theorem? Thinking {10 marks]: 1. The next leg of an Olympic triathlon is a IO-km bicycle ride. Athletes have to cycle 2.2 km from point A to point B, then 3.2 km from point B to point C. They will then make a sharp turn of 25\" before completing a lap [back to point A]. How many laps of this bike route must the athletes cycle to complete this leg of the triathlon