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trigonometry Flashcards | StudBud
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trigonometry
trigonometry
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Answers
1
which one is the right Pythagorean equation?
a2+b2=c2
c2+b2=a2
2
what is the answer?
12.9
12.7
13.9
13.7
3
which one is the right cosine ratio?
CosX=adjacent/hypothonuse
CosX=hypothonuse/adjacent
4
who discovered trigonometry?
Pythagoras of Samos
Euclid of Alexandria
Hipparchus of Nicaea
Thales of Miletus
5
which side it the adjecent?
33
t
56
65
6
is this triangle possible?, H= 21, O= 11 , A= 9
False
True
7
is this triangle possible?, H= 19, O=12 , A= 8
False
True
8
which side is the hypotenuse?
t
65
33
56
9
Where does the word sine originate from?
sinus meaning bay or inlet
sinsosus meaning number
sin meaning proper unit
siné meaning angle
10
what is the answer?
29.0
28.9
28.7
29.1
11
How do you know if a triangle is possible?
the two smaller sides have to add up to more than the hypotenuse
the smallest side has to be the largest
the hypotenuse has to be bugger than the two smaller sides
the two smaller sides have to add up to be less than the hypotenuse
12
who did the earliest study of triangles?
Roman Empire
Babylonians
Ancient greeks
Ancient Egyptians
13
what ratio do you have to use to figure this out?
cos
sine
tan
14
what does the Greek word trigonometry mean?
triangle measure
triangle
math
measure triangle
15
when was the earliest study of triangles?
8th century BC
2nd millemium BC
2020 in Mr Cartz's classroom
1st Century BC
16
Is this triangle possible? h=27 a=11 b=14
True
False
17
what is trigonometry?
trigonometry, the branch of mathematics concerned with specific functions.
The study of angles
Pythagoras theorem
the study of triangles
18
what ratio do you have to use for this?
tan
cos
sin
19
what is the correct ratio for Tan?
TanX=opposite/ajdacent
TanX=ajdacent/oppossite
20
what is the right sine ratio?
sinX=opposite/hypotenuse
sinX=hypotenuse/opposite
21
what ratio do you have to use for this?
sin
cos
tan
22
what side of the triangle is the opposite?
t
33
65
56
23
what is trigonometry used for?
ballet
oceanogpphy
cooking
anstronomy
