Pythagoras Theorem
Pythagoras Theorem
Either
Trigonometry
Trigonometry
100
When using Pythagoras Theorem, the Hypotenuse is labeled with what letter?
C
100
When using Pythagoras Theorem, the shorter sides are labeled with what letters?
A or B
100
When using Trigonometry, the side length across from the angle is labeled with what letter?
O
100
When using Trigonometry, the Hypotenuse is labeled with what letter?
H
100
When using Trigonometry, the side length across from the 90 degree angle is labeled with what letter?
H
200
When using Pythagoras Theorem, what is the formula to calculate side c?
c=sqrt(a^2+b^2)
200
When using Pythagoras Theorem, what is the formula to calculate side a?
a=sqrt(c^2-b^2
200
When using Pythagoras Theorem, what is the formula to calculate side b?
b=sqrt(c^2-a^2
200
sin (theta)=
O / H
200
cos(theta)=
A/H
300
Calculate the length of the hypotenuse:
26
300
Calculate the length of the Hypotenuse (to 2 dp):
7.62
300
Evaluate: tan(48) (to 2 decimal places)
1.11
300
Evaluate: sin(25) (to 2 decimal places)
0.42
300
Evaluate: cos(59) (to 2 decimal places)
0.52
400
Calculate x (to 2 dp):
23.24
400
Calculate x (to 2 dp):
19.24
400
When using Trigonometry, what formula is used to calculate the opposite side when given the Hypotenuse?
O=H*sin(theta)
400
When using Trigonometry, what formula is used to calculate the adjacent side when given the Hypotenuse?
A=H*cos(theta)
400
When using Trigonometry, what formula is used to calculate the Hypotenuse when given the opposite side?
H=O /(sin(theta)
500
What is the length of bd?
12
500
Daniel rides his bicycle 21 km west and then 18 km north. How far is he from his starting point? (to 2 dp)
27.66 km
500
Using Trigonometry, calculate the Hypotenuse when the Adjacent side = 31 and the angle = 48?
H = 46.33
500
Using Trigonometry, calculate the Hypotenuse when the Opposite side = 9 and the angle = 24?
H = 22.13
500
Using Trigonometry, calculate the opposite side when the Hypotenuse = 18 and the angle = 47?
O = 13.16