When we look straight at a rectangular picture frame hanging on a wall, it appears as a rectangle. If we walk off the side and look at the frame from an angle, we still recognize that it is in the shape of a rectangle. Explain the phenomenon that makes the picture frame look rectangular in shape, even when it is viewed from an angle.

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The Answer of When we look straight at a rectangular picture frame hanging on a wall, it appears as a rectangle. If we walk off the side and look at the frame from an angle, we still recognize that it is in the shape of a rectangle. Explain the phenomenon that makes the picture frame look rectangular in shape, even when it is viewed from an angle.

When We Look Straight at a Rectangular Picture Frame Hanging