Big Beard
Greek Man
Either
Trigonometry
Trigonometry
200
When using Pythagoras Theorem, the Hypotenuse is labeled with what letter?
C
200
When using Pythagoras Theorem, the shorter sides are labeled with what letters?
a or b
200
When using Trigonometry, the side across from the right angle is called?
The Hypotenuse
200
When using Trigonometry, the side "touching" the known angle is called the what?
adjacent side
200
When using Trigonometry, the side length across from the 90 degree angle is labeled with what letter?
h (for hypotenuse)
400
When using Pythagoras Theorem, what is the formula to calculate side c?
c=sqrt(a^2+b^2)
400
When using Pythagoras Theorem, what is the formula to calculate side a?
a=sqrt(c^2-b^2
400
When using Pythagoras Theorem, what is the formula to calculate side b?
b=sqrt(c^2-a^2
400
sin (theta)=
O /H
400
cos(theta)=
A /H
600
Calculate the length of the hypotenuse:
26
600
Calculate the length of the Hypotenuse (to 2 dp):
7.62
600
Find side length AB
AB = 8.40
600
35.10 degrees
600
How long is y?
y = 8.66
800
Calculate x (to 2 dp):
23.24
800
Calculate x (to 2 dp):
19.42
800
When using Trigonometry, what formula is used to calculate the opposite side when given the Hypotenuse and an angle?
o=h*sin(theta)
800
When using Trigonometry, what formula is used to calculate the adjacent side when given the Hypotenuse and an angle?
a=h*cos(theta)
800
When using Trigonometry, what formula is used to calculate the Hypotenuse when given the opposite side and an angle?
h=o /(sin(theta)
1000
What is the length of bd?
12
1000
Abbie rides her bicycle 21 km west and then 18 km north. How far is she from her starting point? (to 2 dp)
27.66 km
1000
Ayesha walks 13m north, turns 90 degrees east and then walks 3m forward.
How far is Ayesha from where she started?
13.34m
1000
0.69m^2
1000
Using Trigonometry, calculate the opposite side when the Hypotenuse = 18 and the angle = 47?
o = 13.16