Which of these dates would fall into the time period known as the High Renaissance?

In the School of Athens fresco, Raphael featured the great thinkers of ancient Greece and Rome as well as architecture from those cultures. This is an example of the Renaissance movement called:

This simple geometric shape was used by Renaissance artists (such as Leonardo da Vinci in his Last Supper) to represent the Trinity:

Thanks to a mistranslation in the Latin Bible, Michelangelo gave his sculpture of this Biblical figure horns:

Which of these Italian words is defined in English as "a method of modeling form [in paintings] primarily by the use of light and dark"?

In many of his paintings, including the Mona Lisa, da Vinci used a technique that blended the transitions between light and shade and gave everything a 'smoky' quality. What is this technique called in Italian?

Which of the Ninja Turtles was not also an artist during the High Renaissance in Italy?