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.
Draw every line from the vanishing point. Every line should either be vertical or parallel and completely straight. Remember that you are basically just drawing lines and boxes.
Your answer would be Voice disorders
hope this helps [: