área de figuras planas
Flashcard
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
Gerson Costa
FREE Resource
Student preview

12 questions
Show all answers
1.
FLASHCARD QUESTION
Front
Uma região retangular de 20 m × 10 m será coberta com quadrados, todos congruentes entre si e medindo 20 cm de cada lado. Qual é o número mínimo de quadrados necessários para cobrir toda a região retangular?
Back
5000.
2.
FLASHCARD QUESTION
Front
No famoso jogo matemático chamado Tangram, as 7 peças, quando colocadas juntas como mostrado na figura, formam um quadrado maior. Qual a fração do quadrado menor que é ocupado no tangran?
Back
1/8
3.
FLASHCARD QUESTION
Front
Área de um quadrado com lado de 6 cm.
Back
36 cm²
4.
FLASHCARD QUESTION
Front
Área de um retângulo com 8 cm de comprimento e 5 cm de largura.
Back
40 cm²
5.
FLASHCARD QUESTION
Front
Se o lado de um quadrado mede 10 cm, qual é o diâmetro do círculo inscrito nele?
Back
10 cm
6.
FLASHCARD QUESTION
Front
Qual é a área total do mosaico com 8 peças não sobrepostas formando um coração, uma das peças é um quadrado com lado de 4 cm, considerando π = 3,14?
Back
114,24 cm²
7.
FLASHCARD QUESTION
Front
Qual é o perímetro de um quadrado com lado de 20 metros?
Back
80 metros
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