Mathematics
Mathematics, 18.10.2019 22:00, ozheng24112

Which of the following is not a characteristic of non-euclidean geometry? a. space is saddle-curved. b. the sum of the angles in a triangle is always 180degrees. c. the parallel postulate is false. d. there are no straight lines.

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Which of the following is not a characteristic of non-euclidean geometry? a. space is saddle-curved...

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