The look-out point of a lighthouse is 50 feet above sea level. a woman observes a boat in the water from the look-out point. the angle of depression to the boat in the water is 20°. what is the distance from the base of the light house to the boat in the water? round the answer to the nearest foot.

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the law of definite proportions states samples of a compound will always contain the same proportion of elements by mass. in other words, a given compound will always contain the same elements in the same proportions by mass.the law of multiple proportions states when two elements combine with each other to form more than one compound, then the weights of one element that combine with a fixed weight of the other are in a ratio of small whole numbers.