Question

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Answer 1

$Sen \: 30° = \frac{CO}{H} \\ Sen \: 30° = \frac{x}{50} \\ \frac{1}{2} = \frac{x}{50} \\ x = \frac{50}{2} = 25$

$cos \: 30° = \frac{CA}{H} \\ cos \: 30° = \frac{y}{50} \\ \frac{\sqrt{3}}{ 2} = \frac{y}{50} \\ y = \frac{50 \sqrt{3}}{ 2 } = 25\sqrt{3}$