law of cosines part 6
Post on 30-Jun-2015
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Find all angles and lengths.
6 cm
8 cm
4 cm
X
Y
Z
6 cm4 cm
40˚
P
Q
R
Revisiting…
6 cm
8 cm
4 cm
X
Y
Z
6 cm4 cm
40˚
P
Q
R
Check your answers.
6 cm
8 cm
4 cm
X
Y
Z
104.47 ˚
28.96˚ 46.57˚
Check your answers.
6 cm4 cm
40˚
P
Q
R
3.90 cm
41.21˚
98.83 ˚
Triangles in Real Life
Triangles in Real Life
Triangles in Real Life
Triangles in Real Life
Just a thought…
A
C
B
75˚
45˚
a = 7 cm
b
c
Next lesson: Law of Sines
Stay tuned…
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