Содержание
- 2. Goals: 30.11.2012 Enter the concept of a parallelogram. Consider the properties of a parallelogram. The solution
- 3. 30.11.2012 www.konspekturoka.ru ABCD – Parallelogram AB II CD, DC II AD. Parallelogram – quadrilateral whose opposite
- 4. 30.11.2012 www.konspekturoka.ru Properties of a parallelogram 1 The parallelogram opposite sides are equal and opposite angles
- 5. 30.11.2012 www.konspekturoka.ru 2 The diagonals of a parallelogram are divided in half the point of intersection.
- 6. 30.11.2012 www.konspekturoka.ru 3 The sum of the angles of the parallelogram adjacent to one side, is
- 7. If the problem is given in that quadrilateral - a parallelogram, it is possible to use
- 8. 30.11.2012 www.konspekturoka.ru 1 АВСD – четырехугольник, ∠BАC = ∠ACD, ∠CAD =∠BCA АВСD – параллелограмм. Доказательство Рассмотрим
- 10. Скачать презентацию