Deriving the Law of Cosines
Authored by Anthony Clark
Mathematics
12th Grade
CCSS covered
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 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
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Use Law of Cosines to find angle T
62.2 degrees
53.1 degrees
59.5 degrees
64.7 degrees
Tags
CCSS.HSG.SRT.D.10
CCSS.HSG.SRT.D.11
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Use Law of Cosines to 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
1 min • 1 pt
What is the length of side x?
130 cm
112 cm
150 cm
105 cm
Tags
CCSS.HSG.SRT.D.10
CCSS.HSG.SRT.D.11
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve for Beta
45.2
26.3
36.3
56.2
Tags
CCSS.HSG.SRT.D.10
CCSS.HSG.SRT.D.11
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
8.Solve for x
3.85
4.25
3.35
5.65
Tags
CCSS.HSG.SRT.D.10
CCSS.HSG.SRT.D.11
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which Law would you use to solve for Angle B?
Law of the Jungle
Law of Cosines
Law of the Gravity
Law of Sines
Tags
CCSS.HSG.SRT.D.10
CCSS.HSG.SRT.D.11
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