Question

1. this greek mathematician was known for his work in geometry and physics. the greek army used two of his inventions: the catapult and the mirror system. egyptians later used a screw system to irrigate the nile river valley. who am i?

eratosthenes
pythagoras
archimedes
pantheon

Explanation:

Archimedes was a Greek mathematician known for work in geometry and physics. He invented the catapult and mirror - like devices. The Archimedes' screw was used for irrigation in the Nile River Valley.

Answer:

C. Archimedes