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A tree casts a shadow 4 metre long on the ground, when the angle of elevation of the sun is 45°.find the height of the tree

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  1. h/4 = tan45°

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  2. Their are two methods to solve this question......
    The tree make angle 90 with the ground and elevation angle is 45 therefore by
    tan45=height of tree/length of shadow
    Height=4. {As tan45=1}

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