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Earth's curvature using the formula: d=R×(1−cos(θ)) d is the drop R is the radius θ is the angle

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Earth's curvature using the formula: d=R×(1−cos(θ)) d is the drop R is the radius θ is the angle

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<a href="https://video.fc2.com/content/20240414K96P7c4h/&tk=" title="Earth's curvature using the formula: d=R×(1−cos(θ)) d is the drop R is the radius θ is the angle" rel="nofollow">Earth's curvature using the formula: d=R×(1−cos(θ)) d is the drop R is the radius θ is the angle</a>

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