Pythagoras
SOH CAH TOA
Sine rule
Cosine rule
Choose a strategy
100
8.4cm (1d.p.)
100
3.46cm (2d.p.)
100
35.5cm (1d.p.)
100
346.6m (1d.p.)
100
98.0m (1d.p.)
200
309.9cm (1d.p.)
200
57.8 degrees (1d.p.)
200
21.7 degrees (1d.p.)
200
Find the marked angle.
48.1 (1d.p.)
200
23.5m (1d.p.)
300
9.6cm (1d.p.)
300
What is y?
33.7 degrees (1d.p.)
300
34.0m (1d.p.)
300
To approximate the length of a lake, a surveyor starts at one end of the lake and walks 245 metres. He then turns 110 degrees and walks 270 metres until he arrives at the other end of the lake. Approximately how long is the lake?
296.1m (1d.p.)
300
2.05km (2d.p.)
400
16.4cm (1d.p.)
400
A right-angled triangle is three times taller than it is wide. What are the sizes of the three interior angles?
90 degrees, 71.6 degrees, 18.4 degrees
400
BONUS GENERAL KNOWLEDGE QUESTION!
In what year was Mr Woo Australia's Local Hero
2118
400
27.7mm (1 d.p.)
400
x covers the entire width of the triangle
17.6cm (1d.p.)
500
A right-angled triangle is twice as tall as it is wide.
If the hypotenuse is 47cm long, how tall is the triangle?
42.0cm (1d.p.)
500
The trapezium is isosceles.
83.0 degrees (1d.p.)
500
15.0 (1 d.p.)
500
BONUS GENERAL KNOWLEDGE QUESTION!!
How did CTHS's houses get their names?
C - Community - Charles - 1st P&C president
T - Technology - Taylor - developed harvester for crops that had been flattened by storms
H - History - Harrison - grew cherries on 65 acres
S - Sport - Strickland - Shirley, teacher/Olympian
500
44.5 (1d.p.)