
área de figuras planas
Authored by ALESSANDRA OLIVEIRA SOUZA ROMANO
Mathematics
9th Grade
Used 8+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 mins • 1 pt
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?
200.
400.
500.
4000.
5000.
2.
MULTIPLE CHOICE QUESTION
30 mins • 1 pt
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?
1/8
1/4.
1/16
1/2
1/5
3.
MULTIPLE CHOICE QUESTION
30 mins • 1 pt
Qual é a área de um quadrado com lado medindo 6 cm?
12 cm²
18 cm²
36 cm²
24 cm²
28 cm²
4.
MULTIPLE CHOICE QUESTION
30 mins • 1 pt
Um retângulo tem 8 cm de comprimento e 5 cm de largura. Qual é sua área?
40 cm²
13 cm²
80 cm²
30 cm²
45 cm²
5.
MULTIPLE CHOICE QUESTION
30 mins • 1 pt
Se o lado de um quadrado mede 10 cm, qual é o diâmetro do círculo inscrito nele?
5 cm
7 cm
10 cm
14 cm
6.
MULTIPLE CHOICE QUESTION
30 mins • 1 pt
No mosaico com 8 peças não sobrepostas formando um coração, uma das peças é um quadrado com lado de 4 cm. Qual é a área total do mosaico, em cm², considerando π = 3,14?
114,24
124,24
134,24
144,24
154,24
7.
MULTIPLE CHOICE QUESTION
30 mins • 1 pt
Se um quadrado tem um lado de 20 metros de lado , qual é o perímetro desse quadrado ?
40 metros
60 metros
80 metros
100 metros
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