

Flashcards despre Poligoane
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
Maria Neghina
FREE Resource
Student preview

14 questions
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1.
FLASHCARD QUESTION
Front
Ce înseamnă cuvântul „poligon” în limba greacă?
Back
Cuvântul „poligon” provine din limba greacă și este format din două cuvinte: - „polys” = multe - „gonos” = unghi.
2.
FLASHCARD QUESTION
Front
Ce este un poligon?
Back
Un poligon este o figură geometrică plană, închisă, formată dintr-un număr de segmente de dreaptă, numite laturi.
3.
FLASHCARD QUESTION
Front
Un triunghi dreptunghic are un unghi de 90°.
Back
Adevarat
4.
FLASHCARD QUESTION
Front
Cum se calculează lungimea unei laturi a unui pătrat dacă se cunoaște perimetrul?
Back
Lungimea unei laturi se calculează cu formula: latura = perimetru \div 4.
5.
FLASHCARD QUESTION
Front
Un pătrat are perimetrul de 64 cm. Află lungimea unei laturi.
Back
Lungimea unei laturi: latura = perimetru \div 4 = 64 cm \div 4 = 16 cm.
6.
FLASHCARD QUESTION
Front
Perimetrul unui poligon se află prin însumarea lungimilor tuturor laturilor.
Back
Perimetrul este suma lungimilor tuturor laturilor unui poligon.
7.
FLASHCARD QUESTION
Front
Formula pentru calcularea perimetrului unui dreptunghi este: P = L + L + l + l sau P = L x 2 + l x 2.
Back
Perimetrul se poate calcula și ca P = 2 x (L + l).
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