He aided in the discovery of the cog and gear system, which later added into the creation of machinery in the Industrial revolution.
His flying machines gave a new perspective to engineering.
Answer:
The Department of Homeland Security
Explanation:
Answer:
correct answer is "3"
Explanation:
Symmetry in art is used to create harmony, beauty, proportion and balance.
The Academy of Athens was constructed around 387 BC. It is an example of Greek architecture, a model of proportion, symmetry and balance.
The building was based on master geometric principles. It was constructed with precious marble and erected without cement.
