Exploring the Law of Sines and Cosines
Interactive Video
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Medium
+3
Standards-aligned
Sophia Harris
Used 4+ times
FREE Resource
Standards-aligned
Read more
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What theorem is used to find the side lengths in the triangle calculations?
Law of Sines
Euler's Formula
Law of Cosines
Pythagorean Theorem
Tags
CCSS.HSG.SRT.D.10
CCSS.HSG.SRT.D.11
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which law is applied to find angle theta when three side lengths are known?
Euler's Formula
Pythagorean Theorem
Law of Cosines
Law of Sines
Tags
CCSS.HSG.SRT.D.10
CCSS.HSG.SRT.D.11
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the correct expression for calculating angle theta using the law of cosines?
cos(theta) = (a^2 - b^2 - c^2) / 2ab
cos(theta) = (a^2 + b^2 + c^2) / 2ab
cos(theta) = (c^2 - a^2 - b^2) / 2ab
cos(theta) = (a^2 + b^2 - c^2) / 2ab
Tags
CCSS.HSG.SRT.D.10
CCSS.HSG.SRT.D.11
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the correct way to find an angle in a right triangle when one side length is known?
Using the law of sines
Using sohcahtoa
Using the law of cosines
Using the Pythagorean theorem
Tags
CCSS.HSG.SRT.C.8
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the angle BTN in the mountain problem?
41.2 degrees
48.8 degrees
90 degrees
11.5 degrees
Tags
CCSS.7.G.B.5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the angle ATB calculated in the mountain problem?
Subtracting angle BTN from ATN
Subtracting angle ATN from BTN
Adding angles BTN and ATN
Subtracting angle BTN from 90
Tags
CCSS.4.MD.C.7
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What law is used to find the length of BT in the mountain problem?
Law of Cosines
Euler's Formula
Law of Sines
Pythagorean Theorem
Tags
CCSS.HSG.SRT.D.10
CCSS.HSG.SRT.D.11
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