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Duplicate of Year 9 Trigonometry Flashcards | StudBud

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Duplicate of Year 9 Trigonometry

8 terms·StudBud Administration·26 plays

A #math quiz #trigonometry #Year 9

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Questions 8

Answers

1
Trigonometry is the
measurement of the height of triangles
measurement of all sides of triangles
the measurement of angles in triangles
measurement of the three sides and three angles of triangles
2
the angles inside a triangle add upto
180
90
150
360
3
The 2 other sides of a right angled triangle are called the
short and middle
addant and oporto
adject and opponent
adjacent and opposite
4
The mnemonic (saying) to help you decide which trigonometry calculation to do is
SIN, COS, TAN
SOH CAH TOA
Soy, Cat, Toe
SYN, CAN, TON
5
A right angled triangle has
one 100 degree angle
one 60 degree angle
one 90 degree angles
two 90 degree angles
6
The hypotenuse of a right angled triangle is
the longest side
the shortest side
opposite the right angle
answer 1 and 3
7
The 3 trigonometry functions are
soh, cah, toa
sin, cos, tam
sin, cos, tan
sen, con, tan
8
Using the information in the image
the height of the plane can be calculated using trigonometry
only the distance along the ground can be calculated
you need more information to calculate plane's height
the plane is too high to measure its height