Pythagoras 1
Pythagoras 2
Either
Trigonometry 1
Trigonometry 2
100
Was Pythagoras Greek or Roman?
Greek
100
What is the longest side of a right angled triangle called?
the hypotenuse
100
When using Trigonometry, the side length across from the angle is called?
Opposite
100
3 angles in a triangle equal...
180 degrees
100
Bio = Life, and Ology = the study of,
meaning BIOLOGY is the Study of Life.
What does Trigonometry mean?
The study of Triangles
200
When using Pythagoras Theorem, what side of a triangle is ALWAYS labled "c"?
Hypotenuse
200
When using Pythagoras Theorem, what equation is used when finding a leg?
c2 - a2 = b2
or
c2 - b2 = a2
200
What is the side next to the angle called?
adjacent
200
What Trig Function:
Sine
200
Find x (rd. to 1 dc.):
x = 68.9
300
Calculate the length of the hypotenuse:
26
300
Calculate the length of the Hypotenuse (to 2 dp):
7.62
300
With what sort of shapes can trigonometry and Pythagoras' theorem be used?
right triangles.
300
Solve for x (rd 1 dec.):
x = 6
300
Calculate the angle given: cos(x) = 0.02
Solve for x. (rd. to 1 dc.)88.9o
400
Calculate x (to 2 dp):
23.24
400
Calculate x (to 2 dp):
19.42
400
If I have an opposite side of 6 and an adjacent side of 6 what is the value of my reference angle?
45 degrees
400
Jimmy is 25 metres from the base of a tree. The angle from the ground to the top of the tree is 51°. Determine the height of the tree. Round the nearest whole metre.
height (x) = 30 metres.
400
If my adjacent side is 10m and my hypotenuse is 20m, what is the value of my reference angle?
60 degrees
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 dp)
* hint - draw a right angled triangle to help *
27.66 km
500
Using Trigonometry, calculate the Hypotenuse when the Adjacent side = 19 and the angle = 78o.
(Draw a diagram)
c = 91.38
500
Solve for x and y (rd. to 1 dc.):
x = 44.9
y = 45.1
500
HANDS OFF THE TABLE!! Find every side and every angle (1 minute) (rd. to 1 dc.):
A = 36.9 a = 9
B = 53.1 b = 12
C = 90 c = 15