geometry
posted by nicole .
The Great Pyramid of Giza was built around the year 2560 BC. It was originally 481 ft high with a square base measuring 751 ft on each side. Its slant height was 611ft. Find the lateral surface area of the Great Pyramid. Round your answer to four significant digits.
a. 90,430,000 ft 2 b.1,481,700 ft 2 c.917,700ft2 d. 722,500 ft 2
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