
8 ANO - Poligonos
Authored by Genes Raone
Mathematics
1st Grade
CCSS covered
Used 43+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Como se chama um polígono de 12 lados?
Dodecágono
Icoságono
Pentadecágono
Quadrilátero
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Qual a soma dos ângulo internos de um pentágono (5 lados)?
720°
900°
540°
820°
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Quantas diagonais existem em um polígono de 6 lados?
9
10
8
12
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Qual o valor do ângulo x?
85°
100°
120°
70°
Tags
CCSS.HSG.C.A.3
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Assinale a alternativa que indica a FÓRMULA que dá a soma das medidas dos ângulos internos de um polígono qualquer.
S = 180º - 2 . n
S = (n - 2) . 180º
S = (n - 2) . 360º
S = 180º . n
S = 180º . n - 2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
360° corresponde a:
Soma dos ângulo internos de um triângulo.
Soma dos ângulos externos de qualquer polígono.
ângulos suplementares
ângulo complementares
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Um polígono convexo tem 10 vértices. Qual a soma dos seus ângulos internos?
720°
1260°
1440°
1800°
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