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Understanding Quadrilaterals: Elements and Properties |

Learn about elements and properties of quadrilaterals such as sides, angles, and diagonals, and identify internal and external angles. Explore the concept of congruent quadrilaterals with examples and exercises. Practice drawing and labeling quadrilaterals to reinforce learning. |

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Understanding Quadrilaterals: Elements and Properties |

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  1. ^ETIRIAGOLNICI ELEMENTI NA ^ETIRIAGOLNIKOT

  2. Elementi na ~etiriagolnikot -temiwa:A,B,C iDagli:a,b,g i d -strani:a,b,c i ddijagonali: e i f D d c d C g b e f b a A a B Sekoj ~etiriagolnik ima: dva para sprotivni temiwa, dva para sprotivni agli i dve dijagonali.

  3. AGLI NA ^ETIRIAGOLNIKOT -Vnatre{ni agli:a, b, g, d. -Nadvore{ni agli:a1 ,b1 , g1 , d1 . D d 1 d g 1 g C A a a1 b b 1 B

  4. SKLADNI ^ETIRIAGOLNICI Dva ~etiriagolnici se skladni ako so dvi`ewe mo`e da se dovedat do sovpa|awe D C D C B A B A

  5. Treba da znae{: • [to e ~etiriagolnik; • Koi se sprotivni: temiwa, strani, agli, a koi otse~ki se dijagonali na daden ~etiriagolnik • Koi se vnatre{ni, a koi nadvore{ni agli na daden ~etiriagolnik • Koi se skladni ~etiriagolnici

  6. Zada~i: 1.Nacrtaj eden ~etiriagolnik i ozna~i gi negovite temiwa, strani i dijagonali. 2.Nacrtaj ~etiriagolnik KLMN i ozna~i gi negovite vnatre{ni i nadvore{ni agli. 3.Koi ~etiriagolnici se skladni?

  7. ДОМАШНА РАБОТА РАБОТНА ТЕТРАТКА : страна 120

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