ANSWER:
The Egyptians developed the 'first calendar' based on the movement of 'star Sirius'.
Step-by-step explanation:
- They applied the principles of astronomy in an effective manner to develop a an almost accurate calendar that was divided into 12 months, 365 days and 24 hours a day. This calendar is still used today.
- The pyramids were big structures that were designed using the basis of mathematics and geometry.
- The pyramids were built in a specific shape and using correct calculations for dimensions.
- This showed that the Egyptians had knowledge of Math and Science and applied these concepts.