On what did the ancient Egyptians base their calculations?
Người Ai Cập cổ đại dựa vào đâu để tính toán?
A. Công nghệ tiên tiến
B. Công cụ đo lường tiên tiến
C. Quan sát các thiên thể
D. Kiến thức về bề mặt trái đất
Thông tin:
+ The ancient Egyptians were sun worshippers and great astronomers, so calculations for the Great Pyramid were based on astronomical observations.
(Người Ai Cập cổ đại là những người tôn thờ mặt trời và là những nhà thiên văn học vĩ đại, vì vậy các tính toán cho Kim Tự Tháp đều dựa trên các quan sát thiên văn.)
→ Chọn đáp án C
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