Pythagorean Theorem
Unknown sides using Pythagoras' theorem
Trig Ratios
Missing Sides (trig)
Missing Angles
100
The longest side in a right triangle
Hypotenuse
100
What is the opposite of squaring a number? (Used to find unknown sides)
Square rooting √
100
The trig function that is defined as opposite over hypotenuse.
Sine (sin)
100
Using trig ratios, what is the length of side QP? Round to the nearest tenth.
cos(35)=x/73
x = 59.8
100
What do angles inside a triangle always add to?
180 degrees
200
In 𝑎2+𝑏2=𝑐2,
a and b represent these.
Short sides
200
The missing side of a right triangle when the short sides are a=3, b= 4
(c2=a2+b2)
c=5
200
The trig function that is defined as opposite over adjacent
Tangent (tan)
200
Using trig ratios, what is the length of side MN? Round to the nearest tenth.
tan(60)=x/11
x = 19.1
200
A triangle has two angles measuring 35o EACH.
Name the measure of the third angle.
What is 110o?
300
In 𝑎2+𝑏2=𝑐2,
what does c represent?
Hypotenuse
300
The missing side of a right triangle when the short sides are a=6, b= 8
(c2=a2+b2)
c=10
300
The trig function that is defined as adjacent over hypotenuse?
Cosine (cos)
300
Double points if you correctly spell what this topic is called, starts with tri....
Trigonometry
300
Which one of these could be used to find the measure of angle A on this triangle:
tan^-1(9/10) tan^-1(10/9) tan^-1(3/5)
tan^-1 (9/10)
400
The formula for Pythagorean Theorem
a2 + b2 = c2
400
The missing hypotenuse of a right triangle when b=6, c=10
(a2=c2-b2)
b=8
400
The tangent of angle A. (O/A)
24/7
400
Using trig ratios, what is the height of the kite. Round to the nearest tenth.
What is
sin(40)=h/100
x = 64.3 ft.
400
Using trig ratios, what is the measure of angle P? Round to the nearest tenth.
cos^-1(12/15) = P
P = 36.9
500
TRUE/FALSE: Pythagoras' theorem works for non-right angled triangles
False
500
The missing hypotenuse of a right triangle when b=1.2, c=1.5
(a2=c2-b2)
a=0.09
500
Which trig ratio would you use?
Cos
500
Using trig ratios, what is the length of side FE? Round to the nearest tenth.
What is
sin(40)=x/55
x = 35.4
500
Using trig ratios, what is the measure of angle A? Round to the nearest tenth.
tan^-1(9/40) = A
A = 12.7