Question
1. Solve each triangle (i.e. find all the missing lengths and angles). [Ans: a) ZA = 52, a = 15.4 cm, b = 19.5
1. Solve each triangle (i.e. find all the missing lengths and angles). [Ans: a) ZA = 52, a = 15.4 cm, b = 19.5 cm, b) J = 70, LL = 20, k = 13.1 cm ] a) A 12 cm 38 B C b) 12.3 cm K 4.4 cm J 2. Dmitri has let out 40 m of his kite string, which makes an angle of 72 with the ground. Find the height of the kite, to the nearest metre. [Ans: 38m] Captain Jack is sitting in the crow's-nest of his ship, as shown. a) How high above the deck is Captain Jack? [Ans: 34.6m] b) What is the length of Captain Jack's ship? [Ans: 115.2m] c) How long is each wire holding up the crow's-nest? [Ans: 40.0m, 101.2ml 30 70
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