Trygonometria
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
Anna Adamowicz
Used 505+ times
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9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Stosunek długości przyprostokątnej leżącej przy kącie ostrym w trójkącie prostokątnym do długości przeciwprostokątnej to:
sinus
cosinus
tangens
cotangens
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Wybierz poprawną odpowiedź ,
jeśli kąt γ = 90o.
sin α = b/c
tg β = a/b
cos β = a/c
ctg β = b/a
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ile równa się cos α wiedząc, że |AC| = 8, |BC| = 6 ?
8/10
6/10
8/6
6/8
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Drzewo o wysokości 12m rzuca cień o długości 25 m. Ile równa się miara kąta, jaki tworzy promień słoneczny z powierzchnią ziemi?
0,48
ok. 26o
ok. 2
ok. 65o
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jaka są miary kątów α i β, jeśli cos β = 0,9336, sin α = 0,2924 ?
β = 17o , α = 69o
β = 17o , α = 21o
β = 69o , α = 73o
β = 21o , α = 17o
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Drabina wozu strażackiego może być rozsunięta na długość 1500 cm i podniesiona pod kątem 62o. Na jaką wysokość sięgnie drabina, jeśli jest zamocowana 2,2 m nad ziemią?
1324,35 cm
13,24 m
15,44 m
1526,55 cm
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Startujący samolot wznosi się pod kątem 16o z prędkością 90m/s. Jaką wysokość osiągnie samolot po 3 minutach od momentu oderwania się od ziemi?
h = 15573,06 m
h = 4464,325 m
h = 16200 m
h = 58780,4 m
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