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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

Law of Cosines Part 6

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Page 1: Law of Cosines Part 6

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

Revisiting…

6 cm

8 cm

4 cm

X

Y

Z

6 cm4 cm

40˚

P

Q

R

Page 3: Law of Cosines Part 6

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

Check your answers.

6 cm4 cm

40˚

P

Q

R

3.90 cm

41.21˚

98.83 ˚

Page 5: Law of Cosines Part 6

Triangles in Real Life

Page 6: Law of Cosines Part 6

Triangles in Real Life

Page 7: Law of Cosines Part 6

Triangles in Real Life

Page 8: Law of Cosines Part 6

Triangles in Real Life

Page 9: Law of Cosines Part 6

Just a thought…

A

C

B

75˚

45˚

a = 7 cm

b

c

Page 10: Law of Cosines Part 6

Next lesson: Law of Sines

Stay tuned…