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indirect measurements

Two people are looking up at a skyscraper. The people are 5 miles apart, and the skyscraper is between them. The angle of elevation to the top of the skyscraper is 10 ⁰ for one person and 4⁰ for the other. What is the approximate height of the skyscraper?.

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indirect measurements

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  1. Two people are looking up at a skyscraper. The people are 5 miles apart, and the skyscraper is between them. The angle of elevation to the top of the skyscraper is 10⁰ for one person and 4⁰ for the other. What is the approximate height of the skyscraper?

  2. Julia wants to find the height of a redwood tree. Using her angle-measuring device, she finds that the angle of elevation to the top of the tree is about 79⁰. After measuring the angle, she walks off 31 paces to the base of the tree. If each pace is 0.6 meters, how tall is the tree to the nearest meter?

  3. You are helping your dad clean the gutters on your house. Some bushes extend 7 feet from the wall of the house. The gutters are at a height of 24 feet. What is the minimum length of ladder you will need? If you have a 50-foot ladder, what is the minimum angle the ladder can form with the ground?

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