From the roof of a house, the angle of depression of the top of a tree 20 ft high was found to be 30°. If the distance between the house and the tree is 10√3 ft, find the height of the house.
The heights of house and temple are 13 m and 25 m respectively. If a man observes the roof of a temple he finds the angle of depression 45°, find the distance between the house and the temple.
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