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Признаки параллельности прямых

Признаки параллельности прямых. Разминка. а. c. 32 0. b. 32 0. Доказать a||b. а. c. b. 132 0. 48 0. Доказать a||b. а. c. 133 0. b. 5. 4. 47 0. 3. Доказать a||b. Доказать a||b. а. c. b. . 180- . Доказать DC||AB. D. C. O. A. B. Доказать PE||MK. P. E. M.

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Признаки параллельности прямых

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  1. Признаки параллельности прямых Разминка

  2. а c 320 b 320 Доказать a||b

  3. а c b 1320 480 Доказать a||b

  4. а c 1330 b 5 4 470 3 Доказать a||b

  5. Доказать a||b а c b  180-

  6. Доказать DC||AB D C O A B

  7. Доказать PE||MK P E M K

  8. Доказать PE||MK P E O M K

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