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Law of Cosine- Math 4

Authored by Erin Jacox

Mathematics

12th Grade

CCSS covered

Used 1+ times

Law of Cosine- Math 4
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8 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 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

15 mins • 1 pt

Media Image

Find QR

34.7 km
2.2 km
13.74
31.1 km

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

Find XZ

16.004 meters
544.165 meters
34.7 meters
1204.165 meters

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

4.

MULTIPLE CHOICE QUESTION

15 mins • 5 pts

Media Image

Find BC

A
B
C
D

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

A triangle with two sides that measure 6 m and 8 m with an included angle of 137°.

17.8m²

14.6m²

16.4m²

12.9m²

Tags

CCSS.HSG.SRT.D.9

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

Find m<C

A
B
C
D

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

Find angle Z

20.145 degrees

71.232 degrees

51.055 degrees

57.713 degrees

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

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