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Authored by VILMA SOUZA
Mathematics
9th Grade

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8 questions
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1.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
A soma dos ângulos internos de qualquer triângulo é igual a?
100°
90°
180°
360º
2.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Sabendo os dados da figura, queremos descobrir o lado CA, podemos usar:
Seno ou Cosseno
Apenas tangente
Apenas Seno
Cosseno ou Tangente
3.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Na figura abaixo, o lado X representa:
Cateto oposto
Hipotenusa
Cateto adjacente
O seno
4.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Qual o perímetro do triangulo a seguir?
18
24
12
10
5.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Qual alternativa mostra corretamente o teorema de Pitágoras?
hipotenusa² = seno² + cosseno²
tangente² = cateto² + cateto²
hipotenusa = cateto + cateto
hipotenusa² = cateto oposto² + cateto adjacente²
6.
MULTIPLE SELECT QUESTION
10 mins • 1 pt
Marque as afirmativas corretas:
Um angulo reto tem 90°
Seno é cateto oposto/hipotenusa
Nome da filha do rufino é Maria Rufina
Triangulo retângulo tem todos os lados iguais sempre
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se um ângulo RASO foi dividido em 2 parte, na esquerda temos 45°, quantos graus temos na direita?
100°
120°
135°
155°
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