
Soma dos ângulos internos de um polígono
Authored by Jéssica Souza
Mathematics
8th Grade
CCSS covered
Used 164+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A soma dos ângulos internos do polígono da figura é:
90º
180º
360º
540º
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Os ângulos externos de um triângulo são denotadas por 20x-10 , 11x+30, 5x-20 . Qual o valor de x?
6º
10º
18º
36º
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A soma dos ângulos internos do poligono da figura é:
180º
270º
540º
1080º
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A soma dos ângulos internos do polígono ao lado é:
540º
1080º
1260º
1440º
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
O polígono cujo ângulo central mede 36º
Dodecágono
Decágono
Eneágono
Pentadecágono
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A medida do ângulo central de um hexágono regular é:
30º
60º
120°
180°
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Sabendo que a medida de um ângulo externo de um polígono é 72º, que polígono é este?
Triângulo
Quadrilátero
Pentágono
Hexágono
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