Pregunta
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Irveyor wants to know the length of a tunnel built through a mountain. According to his equipment, he is located 212 meters from one entrance of the
nel, at an angle of to the perpendicular. Also according to his equipment, he is 119 meters from the other entrance of the tunnel, at an angle of to
perpendicular. Based on these measurements, find the length of the entire tunnel.
not round any intermediate computations. Round your answer to the nearest tenth.
te that the figure below is not drawn to scale.

Ask by Erickson Ortega. in the United States
Mar 29,2025

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The length of the entire tunnel is approximately 206.6 meters.

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Beyond the Answer

To find the length of the tunnel, we can use trigonometric principles to calculate the distances based on the angles and the segments given by Irveyor’s measurements.
Let be the point at the first entrance, be the location of Irveyor, and be the second entrance. Using the sine law or cosine law, we calculate the distance and , and then we find the total length of the tunnel as .
After performing the calculations with the given angles and distances, the final length of the tunnel is determined to be approximately meters.
However, be sure to double-check your calculations and ensure that all angles and side lengths are being handled correctly, as even a small error can result in a significant difference in the final answer. Remember, when working with angles and distances, clear understanding and precision are key!

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