Lines and Line Segment
Rays
Right Triangles
Pythagorean Theorem
Trig Ratios
Mystery
100
Write a sentence to define what a line is.
A straight path of points that goes on and on in two directions.
100
Name the ray correctly.
.----------->
AB
100
How do you determine which side of a right-angled triangle is the Hypotenuse?
The longest Side
The side opposite the right angle
100
When using Pythagoras Theorem, the shorter sides (or legs) are labeled with what letters?
a or b
100
sin (theta)=
(opposite) /(hypotenuse)
100
What is Shrek?
What is an ogre?
200
Name the line.
<----------> OR <----------->
AB BA
200
How many endpoint are there on a ray.
1 endpoint
200
Rearrange Pythagoras Theorem (c^2=a^2+b^2) , to make c the subject
c=sqrt(b^2+c^2)
200
When using Pythagoras Theorem, what is the formula to calculate side a?
a=sqrt(c^2-b^2
200
cos(theta)=
(adjacent)/(hypotenuse)
200
Who is Shrek's best friend?
Who is donkey?
300
What is a line segment? Write one short sentence to explain.
A line segment is part of a line with 2 endpoints.
300
Did Kathy label this ray correctly?
.---------->
YR
No.
.-------->
RY
300
Calculate the length of the hypotenuse:
26
300
alculate the length of the Hypotenuse (to 2 dp):
7.62
300
tan(theta)=
(opposite)/(adjacent)
300
Who is Shrek's Girlfriend?
Fiona
400
Label this line segment. *Hint most of us did this yesterday.
.____. OR ._____.
AB BA
400
lease name the ray correctly.
.-------->
ST
400
Calculate x (to 2 decimal places):
23.24
400
Calculate x (to 2 decimal places):
19.42
400
What is the mnemonic device to help you remember the three basic trig ratios?
SOH CAH TOA
400
What vegetable is Shrek like?
What is an onion?
500
How many endpoints does a line segment have?
A line segment has 2 endpoints.
500
This is a Ray. True or False.
False
500
What is the length of bd?
12
500
Abbie rides her bicycle 21 km west and then 18 km north. How far is she from her starting point? (to 2 decimal places)
27.66 km
500
When using Trigonometry, the side length across from the angle is called?
Opposite
500
Where did Shrek live?
A swamp in Duloc