
Quadriláteros
Authored by Helder Moreira
Mathematics
8th Grade
Used 105+ times

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13 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Um polígono de quatro lados é denominado de __________.
quarado
hexágono
quadrilátero
retângulo
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
As medidas de dois ângulos consecutivos de um paralelogramo são respectivamente x e 2x + 18º. Calcule a medida de cada ângulo agudo desse paralelogramo.
50°
54°
60°
180°
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Escreva V para as alternativas verdadeiras e F para as alternativas falsas:
( ) Em todo retângulo, as diagonais são congruentes.
( ) As diagonais de um losango são perpendiculares entre si.
( ) As diagonais de um retângulo são perpendiculares entre si.
( ) As diagonais de um quadrado formam, entre si, ângulos de 90°.
V - F - V - F
F - V - F - V
V - V - F - V
F - F - V - F
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A medida de cada ângulo agudo de um losango é 80º. Encontre a medida do ângulo formado pela diagonal dos ângulos obtusos com um dos lados.
40°
50°
80°
100°
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A soma dos ângulos internos do quadrilátero equivale a:
180°
360°
540°
720°
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
O polígono de um quadrilátero mede 28 cm. Sabendo que três dos lados medem respectivamente 8 cm, 7 cm e 6 cm, determine a medida do quarto lado.
5 cm
6 cm
7 cm
8 cm
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A soma das medidas dos ângulos interno de um quadrilátero mede:
180°
360°
540°
720°
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