Intro to Law of Sines Lesson Slides: 6 Slides (12th Grade)

6 Slides • 8 Questions

1

Learning Target:
I can apply the law of sines to find lengths and angle measures in non-right triangles.

2

3

Let's learn how to set up and solve for a side using the Law of Sines.

4

5

Multiple Choice

Which is the correct application of the Law of Sines?

1

2

3

6

7

Multiple Choice

True or False?

1

True

2

False

8

9

Multiple Choice

Given a triangle with a = 6, C = 35°, and B = 38°, what is the length of c? Round the answer to two decimal places.

1

3.6

2

6.44

3

5.59

4

9.32

10

Multiple Choice

Given a triangle with a = 8, C = 33°, and B = 44°, what is the length of c? Round the answer to two decimal places.

1

11.22

2

4.47

3

10.2

4

6.27

11

Multiple Choice

Find AB

1

10

2

8

3

6.1

4

4.9

12

Multiple Choice

Identify the Law of Sines

1

$\sin^2x+\cos^2x=1$

2

$\frac{\sin\left(A\right)}{a}=\frac{\sin\left(B\right)}{b}=\frac{\sin\left(C\right)}{c}$

3

$\sin\left(A\right)\sin\left(B\right)\sin\left(C\right)=1$

4

Soh Cah Toa

13

Multiple Choice

Which equation shows how you would use the law of sines to find angle A?

1

$\frac{\sin44}{26}=\frac{\sin\ A}{23}$

2

$\frac{\sin\ 26}{44}=\frac{\sin\ 23}{A}$

3

$\frac{\sin\ 44}{23}=\frac{\sin\ A}{26}$

4

$\frac{\sin23}{44}=\frac{\sin\ 26}{A}$

14

Multiple Choice

Which equation shows how you would use the law of sines to find side c?

1

$\frac{\sin41}{19}=\frac{\sin\ 75}{c}$

2

$\frac{\sin\ 64}{19}=\frac{\sin\ 75}{c}$

3

$\frac{\sin\ 19}{64}=\frac{\sin\ c}{75}$

4

$\frac{\sin19}{41}=\frac{\sin\ c}{75}$

Learning Target:
I can apply the law of sines to find lengths and angle measures in non-right triangles.

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