
MT3 Q5 3U
Authored by Eli Valle
Mathematics
9th Grade
Used 2+ times

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11 questions
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1.
MULTIPLE CHOICE QUESTION
10 mins • 6 pts
Calcular la altura, a de un árbol sabiendo que, si nos situamos 8 metros de la base del tronco, vemos la parte superior de su copa en un ángulo de 36.87º.
6.00002
6006
36.87°
5002
2.
MULTIPLE CHOICE QUESTION
10 mins • 6 pts
Para que sirven las funciones trigonométricas
Para solucionar triángulos rectángulos cuando se conoce un ángulo y cualquiera de sus lados
Para solucionar triángulos que no son rectángulos
Para solucionar problemas matemáticos
para solucionar problemas algebraicos
3.
MULTIPLE CHOICE QUESTION
10 mins • 6 pts
Tomando el ángulo del vertice D ¿Cuánto mide el cateto opuesto?
3
4
5
4.
MULTIPLE CHOICE QUESTION
10 mins • 6 pts
Nombre de la razón entre el cateto opuesto y la hipotenusa.
5.
MULTIPLE CHOICE QUESTION
10 mins • 6 pts
Nombre de la razón entre el cateto opuesto y el cateto adyacente.
6.
MULTIPLE CHOICE QUESTION
10 mins • 6 pts
Calcular la altura de la torre de refrigeración de una central nuclear si se sabe que su sombra mide 271 metros cuando los rayos solares forman un ángulo de 30º
345.23 metros
100 metros
156,46 metros.
7.
MULTIPLE CHOICE QUESTION
10 mins • 6 pts
Se desea sujetar un poste de 20 metros de altura con un cable que parte de la parte superior del mismo hasta el suelo de modo que forme un ángulo de 30º con el suelo para cumplir con la normativa de seguridad. Calcular el precio del cable si cada metro cuesta 12$.
El cable mide 40 y el costo 480
El cable mide 23.09 y el costo 277.12
El cable mide 34.64 y el costo 415.69
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