

Relações e Propriedades Trigonométricas
Interactive Video
•
Mathematics
•
7th - 10th Grade
•
Practice Problem
•
Hard
Ethan Morris
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a característica principal que define um triângulo retângulo?
Possui um ângulo obtuso
Possui um ângulo reto
Possui três lados iguais
Possui dois ângulos agudos
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Como é chamada a projeção do ângulo de 90º em um triângulo retângulo?
Cateto adjacente
Base
Hipotenusa
Cateto oposto
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a relação trigonométrica que utiliza o cateto oposto e a hipotenusa?
Secante
Tangente
Cosseno
Seno
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a fórmula do cosseno em termos de cateto e hipotenusa?
Cateto oposto sobre hipotenusa
Cateto adjacente sobre hipotenusa
Hipotenusa sobre cateto oposto
Hipotenusa sobre cateto adjacente
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
No exemplo prático, qual é o valor do cosseno de 30º utilizado?
0,8
0,5
0,6
0,7
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o valor da hipotenusa encontrado no exemplo prático usando cosseno?
5,25 cm
6,25 cm
7,25 cm
8,25 cm
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a relação trigonométrica que utiliza o cateto oposto e a hipotenusa?
Seno
Cotangente
Cosseno
Tangente
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