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Law of Sines/Law of Cosines

Authored by Mr. Briggs

Mathematics

9th - 12th Grade

CCSS covered

Used 3+ times

Law of Sines/Law of Cosines
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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following formulas shows the Law of Cosines?

c2 = a2 + b2 - 4ac + cosA
c2 = a2 - b2 - 2abcosC
c2 = a2 + b2 - 2abcosC
(cos A)/a = (cos B)/b

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following formulas shows the Law of Cosines?

c2 = a2 + b2 - 4ac + cosA
c2 = a2 - b2 - 2abcosC
c2 = a2 + b2 - 2abcosC
(cos A)/a = (cos B)/b

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Parker must find the distance from Point A to Point B on opposite sides of a lake. He locates Point C that is 860 feet from point A and 175 feet from Point B. He measures the angle at Point C to be 78 degrees. Find the distance from point A to point B.

707643.58

841.22

877.62

845.01

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Given: B = 70°, a = 11, C = 40° Find: c

11
7.5
70
8

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Given: B = 70°, a = 11, C = 40° Find: c

11
7.5
70
8

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

LoC: Find x.

16.6
22.4
2.1
1.9

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Find AB

10.03
8.04
6.10
4.93

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

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