Triangles
Simplify
Expand
Triangles
Congruent Triangles
100
What is the Pythagoras Theorem equation?
a2 + b2 = c2
100
what does it mean to simplify?
For example 3x + 2x
Combine like terms
100
Expand
2(x + 4)
=?
2x + 8
100
What is the angle of this triangle?
30degrees
100
What is a congruent triangle?
a) The triangles have same size
b) The triangles have same size and shape
c) The triangles have same shape
b) The triangles have same size and shape
200
What side is c called?
hypotenuse
200
Simplify
4x + 2x + 1
6x + 1
200
Expand
5(x - 5)
=?
5x - 25
200
What is a group of lions known as?
A pride.
200
SSS is one acronym, what are the other 3?
SSS, SAS, ASA, AAS
300
How many days in a calendar year?
365
300
Simplify
12y + 2x + 4y
16y + 2x
300
Expand
12(1 + x)
=?
12 + 12x
300
What is the trigonometry acronym?
SOHCAHTOA
300
What colour is the McDonalds sign?
yellow
400
What are sides a and b called?
a = opposite
b = adjacent
400
What is the capital of Australia?
Canberra
400
Solve
X - 10 = 20
X = ?
x = 30
400
if Sin = Opposite / Hypotenuse
and Tan = Opposite / Adjacent
what is the equation for Cos?
Cos = Adjacent / Hypotenuse
400
What is the symbol of congruence?
500
Using a2 + b2 = c2 find the answer
22 + 42 = c2
4 + 16 = c2
20 = c2
√20 = c
Answer: c = 4.47 cm
500
Simplify
7x + 10x + x + 5y
18x + 5y
500
Expand
10(8 + 6)
=?
80+60
= 140
500
SOC CAH TOA
what does the S, C and T stand for?
Sin, Cos and Tan
500
What is this triangle?
A) SSS
B) SAS
C) ASA
B) SAS
600
What is the answer to c?
52 + 122 = c2
25 + 144 = c2
169 = c2
square root 169
c = 13
600
4y - 2x + 9y + 2x2
13y - 2x + 2x2
600
What is the name of the man who founded facebook?
Mark Zuckerburg
600
Using the Tan equation, figure out the side.
Tan = o/a
Tan 23 = x/11
(Tan23) x 11
= 4.7
600
Who will win the state of origin tonight?
QUEENSLAND