a satellite is observed from two points A and B at a distance 1.3x107 m apart on earth. If angle subtended at the satellite is 10 30’ , find distance of the satellite from earth.
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The moon is observed from two diametrically opposite points A and B on earth. The angle subtended at the moon by two directions of observation is 1
∘
54
′
. The diameter of the earth is 1.276×10
7
m . Calculate the distance of moon from earth.
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