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Answer:
One of the key features of Renaissance art was the use of geometric and symmetric shapes to create a sense of balance and harmony. Michelangelo's Pietà is shaped like a triangle, with Mary's head at the top and Christ's body in her lap forming the base.
<span>Brunelleschi's design for the dome of Florence Cathedral because the technology was not advanced. He had to decipher a unique way to architect the dome without having the technical knowledge to build the expansive dome. However, he overcame the obstacle and constructed the massive dome.</span>