Law of Sines and Cosines and Area
Authored by Anthony Clark
Mathematics
11th Grade
CCSS covered
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Find angle Z
20.15°
71.23°
51.06°
57.71°
Tags
CCSS.HSG.SRT.D.10
CCSS.HSG.SRT.D.11
2.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
In Triangle KHP, h= 9, k=9.4, p= 8. Find the area of each triangle to the nearest tenth.
(a)
Tags
CCSS.HSG.SRT.D.9
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Use the Law of Cosines to find the value of x. (Level 1)
41.7
51.7
61.7
71.7
Tags
CCSS.HSG.SRT.D.10
CCSS.HSG.SRT.D.11
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
To solve the triangle shown, you would start with which formula?
Law of Cosines
Law of Sines
Heron's Formula
Triangle sum theorem
Tags
CCSS.HSG.SRT.D.10
CCSS.HSG.SRT.D.11
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Choose which law you need to solve the problem (DO NOT SOLVE):
Law of Sines
Law of Cosines
Both
Neither
Tags
CCSS.HSG.SRT.D.10
CCSS.HSG.SRT.D.11
6.
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
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Identify the Law of Sines
Sin2x + Cos2x =1
Sin(A)/a = Sin(B)/b = Sin(C)/c
Sin(A)Sin(B)Sin(C) = 1
y=Sin(x)
Tags
CCSS.HSG.SRT.D.10
CCSS.HSG.SRT.D.11
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