Law of Cosines Part 6
10
Go to Chat for questions. Find all angles and lengths. 6 cm 8 cm 4 cm X Y Z 6 cm 4 cm 40˚ P Q R
Transcript of Law of Cosines Part 6
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Go to Chat for questions.
Find all angles and lengths.
6 cm
8 cm
4 cm
X
Y
Z
6 cm4 cm
40˚
P
Q
R
![Page 2: Law of Cosines Part 6](https://reader035.fdocuments.in/reader035/viewer/2022062308/559187e81a28abc24c8b4683/html5/thumbnails/2.jpg)
Revisiting…
6 cm
8 cm
4 cm
X
Y
Z
6 cm4 cm
40˚
P
Q
R
![Page 3: Law of Cosines Part 6](https://reader035.fdocuments.in/reader035/viewer/2022062308/559187e81a28abc24c8b4683/html5/thumbnails/3.jpg)
Check your answers.
6 cm
8 cm
4 cm
X
Y
Z
104.47 ˚
28.96˚ 46.57˚
![Page 4: Law of Cosines Part 6](https://reader035.fdocuments.in/reader035/viewer/2022062308/559187e81a28abc24c8b4683/html5/thumbnails/4.jpg)
Check your answers.
6 cm4 cm
40˚
P
Q
R
3.90 cm
41.21˚
98.83 ˚
![Page 5: Law of Cosines Part 6](https://reader035.fdocuments.in/reader035/viewer/2022062308/559187e81a28abc24c8b4683/html5/thumbnails/5.jpg)
Triangles in Real Life
![Page 6: Law of Cosines Part 6](https://reader035.fdocuments.in/reader035/viewer/2022062308/559187e81a28abc24c8b4683/html5/thumbnails/6.jpg)
Triangles in Real Life
![Page 7: Law of Cosines Part 6](https://reader035.fdocuments.in/reader035/viewer/2022062308/559187e81a28abc24c8b4683/html5/thumbnails/7.jpg)
Triangles in Real Life
![Page 8: Law of Cosines Part 6](https://reader035.fdocuments.in/reader035/viewer/2022062308/559187e81a28abc24c8b4683/html5/thumbnails/8.jpg)
Triangles in Real Life
![Page 9: Law of Cosines Part 6](https://reader035.fdocuments.in/reader035/viewer/2022062308/559187e81a28abc24c8b4683/html5/thumbnails/9.jpg)
Just a thought…
A
C
B
75˚
45˚
a = 7 cm
b
c
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Next lesson: Law of Sines
Stay tuned…