Final answer:
The red and white upside down triangle is the shape and color of a sign associated with the Geometric period in art history.
Step-by-step explanation:
The red and white upside down triangle, as described in the question, is the shape and color of a sign associated with the Geometric period in art history. During this period, Greek statues such as the one mentioned in the reference were often painted with vibrant colors. The inverted triangle formed by the face and hair is a characteristic feature of this particular statue.