{ "item_title" : "The Perfect Mathematics of the Great Pyramids", "item_author" : [" Belva A. Haney "], "item_description" : "The Perfect Mathematics of the Great Pyramids of EgyptWhat if one of the greatest mathematical and engineering achievements in human history was built thousands of years before calculus was invented?Standing at the edge of the Giza Plateau, you are not simply looking at an ancient monument. You are looking at a question carved in stone-a structure of such breathtaking precision and unexpected mathematical sophistication that engineers, mathematicians, archaeologists, and historians continue to debate how it was accomplished.The proportions of the Great Pyramid closely approximate mathematical relationships associated with pi and the golden ratio. Its cross-section closely resembles the proportions of a Kepler triangle, bringing together the Pythagorean theorem and the golden ratio in a single geometric form. Its 13-acre base was leveled with an accuracy that continues to astonish modern surveyors. Millions of stone blocks were quarried, transported, shaped, and positioned across a structure of almost incomprehensible scale. Its four sides were aligned extraordinarily closely with the cardinal directions-an achievement measured in mere minutes of arc and accomplished without modern instruments.Were these mathematical relationships deliberately incorporated by master builders whose knowledge of geometry has been underestimated?Were they the natural result of elegant practical ratios used by ancient Egyptian craftsmen?And how did a civilization working with rope, copper tools, stone instruments, and human labor maintain such precision across a monument of this magnitude?The Perfect Mathematics of the Great Pyramids of Egypt takes readers on a rigorous and awe-filled journey through the measurements, geometry, astronomy, and engineering found within one of the most studied structures in history.Through richly detailed illustrations, maps, diagrams, historical reconstructions, and carefully presented evidence, readers will explore:- The dimensions and proportions of the pyramids of Khufu, Khafre, and Menkaure- Pi, the golden ratio, and the geometry of the pyramid form- The royal cubit and the mathematics of ancient Egyptian construction- The extraordinary alignment of the Great Pyramid with true north- The engineering of quarrying, transporting, and positioning millions of stones- The relationship between the pyramids, the Earth, and the stars- Mainstream archaeological explanations alongside alternative interpretations- The enduring questions that remain unresolvedThis is not mythology.This is not fantasy.This is an investigation into measurable realities preserved in stone for more than 4,500 years-and what those realities reveal about the intelligence, discipline, organization, and ambition of the people who built the Great Pyramids.For readers fascinated by ancient Egypt, mathematics, astronomy, archaeology, architecture, engineering, and the mysteries of the ancient world, this visually compelling book offers a fresh encounter with one of humanity's most extraordinary achievements.The pyramids are still standing. The question remains:How did they know-and how did they do it?", "item_img_path" : "https://covers1.booksamillion.com/covers/bam/9/79/818/374/9798183741124_b.jpg", "price_data" : { "retail_price" : "62.00", "online_price" : "62.00", "our_price" : "62.00", "club_price" : "62.00", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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