5. While standing exactly halfway between two tall trees, Nancy spots a blue jay at the top of one tree and a cardinal at the top of the other, as shown. From Nancy's point of view, the angles of elevation to the blue jay and to the cardinal are 60° and 50°, respectively. The trees are 40 m apart. B a) If Nancy is 1.5 m tall, find the height of each tree, to the nearest tenth of a metre. 40 m b) How far apart are the two birds, to the nearest tenth of a metre?

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