
Trigonometria 2
Authored by Isabel Oliveira
Mathematics
9th Grade
Used 4+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Sendo um ângulo agudo de um triângulo retângulo, qual das afirmações seguintes é necessariamente falsa?
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
De um ângulo agudo sabe-se que e . Qual o valor de ?
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Na figura os ângulos e são complementares.
Utilizando os dados da figura qual o valor de ?
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Em qual das opções ?
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Se , a área do triângulo [ABC] é aproximadamente igual a :
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
De acordo com os dados da figura, e sabendo que a árvore tem 3,3 metros de altura, a amplitude de , é aproximadamente:
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Um copo tem 12 cm de altura e dentro dele há um canudinho, como mostra a figura. Qual o comprimento aproximado desse canudinho sabendo que 6 cm dele estão fora do copo?
15 cm
21 cm
9 cm
19 cm
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