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When the sun rays pass through a small opening in a foliage at the top of a high tree, they produce an elliptical spot on the ground. The major and minor axes of the ellipses are a=12cm and b=10cm, respectively. What is the height of the tree H ? The angular dimensions of the sun's disk are β=1/108 radian.

When the sun rays pass through a small opening in a foliage at the top of a high tree, they produce an elliptical spot on the ground. The major and minor axes of the ellipses are a=12cm and b=10cm, respectively. What is the height of the tree H ? The angular dimensions of the sun's disk are β=1/108 radian.

Grade:12

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