Johnny uses a mirror placed on level ground to measure the height of a building. Johnny's eyes are 6 feet above the ground and he stands 4 feet away from the mirror. From that distance, Johnny is able to see the top of the building in the mirror as shown in the diagram below. If the mirror is 45 feet away from the building's base, how tall is the building? Johnny Mirror - Building

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A: Given query is to find indicated angle.

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A: Please see the below picture for detailed solution.

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A: Please see the below picture for detailed solution.

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A: We can solve the given problem by using the cross multiplication method.

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