The correct answer is A. Dormer window.
A dormer window is a window that projects from the sloping roof of a building, with its top parallel to the roof surface. It is typically used to provide light and ventilation to an attic or other space under the roof. Dormer windows can be either fixed or operable, and they can be made of a variety of materials, including wood, metal, and vinyl.
A skylight window is a window that is installed in a roof or ceiling to provide natural light to a room below. Skylights can be either fixed or operable, and they can be made of a variety of materials, including glass, plastic, and metal.
A lantern window is a small, circular window that is typically located in the
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