Law of Sines and Cosines
Flashcard
•
Mathematics
•
9th - 12th Grade
•
Hard
+1
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
If three sides of a triangle are given, the Law of ____ is used to solve the triangle.
Back
Cosines
Tags
CCSS.HSG.SRT.D.10
CCSS.HSG.SRT.D.11
2.
FLASHCARD QUESTION
Front
In triangle ABC, find side a if: B=70 degrees, A=40 degrees, and c=11.
Back
7.5
Tags
CCSS.HSG.SRT.D.10
CCSS.HSG.SRT.D.11
3.
FLASHCARD QUESTION
Front
Find the missing side of the triangle given the sides 10, 15, and x.
Back
22.8 in.
Tags
CCSS.HSG.SRT.D.10
CCSS.HSG.SRT.D.11
4.
FLASHCARD QUESTION
Front
Calculate the length of AC in triangle ABC where AB=10, BC=15, and angle A=30 degrees.
Back
27.54 ft
Tags
CCSS.HSG.SRT.D.10
CCSS.HSG.SRT.D.11
5.
FLASHCARD QUESTION
Front
Which Law would you use to find a side when two sides and the included angle are known?
Back
Law of Cosines
Tags
CCSS.HSG.SRT.D.10
CCSS.HSG.SRT.D.11
6.
FLASHCARD QUESTION
Front
State the Law of Sines.
Back
The ratio of the length of a side of a triangle to the sine of its opposite angle is constant.
Tags
CCSS.HSG.SRT.D.10
CCSS.HSG.SRT.D.11
7.
FLASHCARD QUESTION
Front
What is the formula for the Law of Cosines?
Back
c² = a² + b² - 2ab * cos(C) where a, b, and c are the sides of the triangle.
Tags
CCSS.HSG.SRT.D.10
CCSS.HSG.SRT.D.11
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