

Patrulatere - recapitulare
Presentation
•
Mathematics
•
7th - 8th Grade
•
Easy

Cărăușu Daniel
Used 21+ times
FREE Resource
8 Slides • 3 Questions
1
Patrulatere - recapitulare

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Patrulaterul convex
Poligonul cu patru laturi se numește patrulater. Patrulaterele pot fi convexe și concave.
– vârfurile: A, B, C, D
– laturile: [AB], [BC], [CD], [AD]
– unghiurile: ∠A, ∠B, ∠C, ∠D
– diagonalele: [AC], [BD]
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Tipuri de patrulatere
Într-un patrulater convex suma măsurilor unghiurilor este de 360 grade.
m(∠A) + m(∠B) + m(∠C) + m(∠D) = 360°
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Paralelogramul
5
Dreptunghiul
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Rombul
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Pătratul
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Trapezul
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Multiple Choice
1. Dacă paralelogramul ABCD are măsura unghiului A de 110° atunci măsura unghiului B este de ..........°
70
110
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Multiple Choice
2. Paralelogramul cu un unghi drept se numește:
pătrat
romb
trapez
dreptunghi
11
Fill in the Blanks
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Patrulatere - recapitulare

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