
Untitled Quiz
Authored by SARA OTERO
Mathematics
1st Grade
Used 1+ times

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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Um balão está preso ao chão por uma corda que forma um ângulo de 60°com o solo. Se a altura do balão é de 15 metros, qual o comprimento da corda?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Uma escada está encostada numa parede e forma um ângulo de 60° com o chão. Se a parede tem 6 metros de altura, qual é o comprimento da escada?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Observe o triângulo ao lado: Qual o valor de cos B?
12/5
12/13
5/12
5/13
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Uma rampa foi construída com inclinação de 18° em relação ao solo. A base da rampa (distância horizontal) mede 6 metros.
Qual deve ser, aproximadamente, o comprimento da rampa para atender às normas de acessibilidade e permitir que cadeirantes acessem a entrada?
sen 18º=0,31 cos 18°= 0,95 e tg18º=0,32
4,7 m
6,3 m
7,5 m
5,2 m
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Determine os valor de y no triângulo a seguir. Considere sen 37º = 0,60, cosseno de 37º = 0,79 e tan 37º = 0,75.
13,43 m
10,2 m
5,6 m
18,3 m
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Determine os valor de x no triângulo a seguir. Considere sen 37º = 0,60, cosseno de 37º = 0,79 e tan 37º = 0,75
13,4 m
10,2 m
5,8 m
17 m
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Em um triângulo retângulo, a hipotenusa mede 15 m e um dos catetos mede 9 m. Qual é o valor aproximado do seno do ângulo oposto ao cateto de 9 m?
0,75
0,80
0,50
0,60
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