Pythagorean Theorem 1
Lesson Summaries
Trig Ratios
Solve for a Triangle
Trig Word Problems
100
What is the formula for Pythagorean Theorem?
a2 + b2 = c2
100
LESSON __:
Multiple reasons.
100
What mnemonic do we use to remember the three trig ratios?
SOHCAHTOA
100
When using Trigonometry, what side is between the two angles?
A
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 b?
b=sqrt(c^2-a^2
200
sin (θ)=
O / H
200
cos(θ)=
A/H
300
Calculate x (simplify the radical):
2sqrt(135
300
Find: cos(16) (to 2 decimal places)
0.96
300
Find: tan(60) (to 2 decimal places)
1.73
300
Find: cos(59) (to 2 decimal places)
0.52
400
Calculate x (to 2 decimal points):
19.24
400
When using Trigonometry, what trigonometric ratio is used to calculate the hypotenuse side when given the adjacent?
H=A/cos(x)
400
When using Trigonometry, what trigonometric ratio is used to calculate the opposite side when given the adjacent?
O=A*tan(θ)
400
When using Trigonometry, what trigonometric ratio is used to calculate the Hypotenuse when given the opposite side?
H = O /(sin(θ)
500
What is the length of bd?
12
500
One of the legs of a right triangle measures 11 cm and its hypotenuse measures 19 cm. Find the measure of the other leg. Round to the nearest tenth if necessary.
15.5
500
Using Trigonometry, calculate the Hypotenuse when the Adjacent side = 19 and the angle = 78?
c = 91.38
500
Using Trigonometry, calculate the Adjacent when the Opposite side = 13 and the angle = 6?
A = 123.69
500
Using Trigonometry, calculate the Hypotenuse side when the Opposite = 8 and the angle = 56?
H = 9.65