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Intro to Law of Sines

Intro to Law of Sines

Assessment

Presentation

Mathematics

12th Grade

Medium

CCSS
HSG.SRT.D.10, HSG.SRT.D.11

Standards-aligned

Created by

Maria Cruz Farooqi

Used 25+ times

FREE Resource

6 Slides • 8 Questions

1

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

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2

3

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

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4

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5

Multiple Choice

Question image

Which is the correct application of the Law of Sines?

1
2
3

6

7

Multiple Choice

Question image

True or False?

1

True

2

False

8

9

Multiple Choice

Question image

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

Question image

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

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Find AB
1
10
2
8
3
6.1
4
4.9

12

Multiple Choice

Identify the Law of Sines

1

sin2x+cos2x=1\sin^2x+\cos^2x=1

2

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

3

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

4

Soh Cah Toa

13

Multiple Choice

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

1

sin4426=sin A23\frac{\sin44}{26}=\frac{\sin\ A}{23}

2

sin 2644=sin 23A\frac{\sin\ 26}{44}=\frac{\sin\ 23}{A}

3

sin 4423=sin A26\frac{\sin\ 44}{23}=\frac{\sin\ A}{26}

4

sin2344=sin 26A\frac{\sin23}{44}=\frac{\sin\ 26}{A}

14

Multiple Choice

Question image

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

1

sin4119=sin 75c\frac{\sin41}{19}=\frac{\sin\ 75}{c}

2

sin 6419=sin 75c\frac{\sin\ 64}{19}=\frac{\sin\ 75}{c}

3

sin 1964=sin c75\frac{\sin\ 19}{64}=\frac{\sin\ c}{75}

4

sin1941=sin c75\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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