
Figuras geométricas
Authored by Maria Loureiro
Mathematics
7th Grade
Used 25+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Um polígono tem 14 diagonais. De que polígono se trata?
(A) Pentágono
(B) Hexágono
(C) Heptágono
(D) Octógono
2.
MULTIPLE SELECT QUESTION
1 min • 1 pt
A amplitude de um ângulo interno de um polígono regular com 18 lados é:
(A) 20°
(B) 40°
(C) 140°
(D) 160°
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A soma das amplitudes dos ângulos internos de um polígono convexo é 3600°.
Quantos lados tem o polígono?
22 lados.
21 lados.
20 lados.
23 lados.
4.
OPEN ENDED QUESTION
1 min • Ungraded
Na figura ao lado pode observar-se o paralelogramo [ABCD].
Sabendo que BÂD=60º, qual é a amplitude do ângulo CBA?
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5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Na figura seguinte, [ABCD] é um trapézio isósceles.
A área do trapézio é igual a:
(A) 7 cm2
(B) 8 cm2
(C) 9 cm2
(D) 10 cm2
6.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Observa as seguintes afirmações e escolhe a que é falsa.
As diagonais de um quadrado são sempre geometricamente iguais.
Um paralelogramo é um retângulo.
As diagonais de um retângulo não são perpendiculares.
As diagonais de um quadrado são perpendiculares.
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Completa a seguinte frase de forma a ser uma afirmação verdadeira.
Um trapézio tem as bases _________.
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