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.
A many shades of one color
Okay, so my answer gets deleted because I used the word I believe. Fine then. I hope you failed whatever quiz this was for
The answer was scale by the way.