
Law of Sines and Vectors

Interactive Video
•
Mathematics
•
9th - 12th Grade
•
Hard
+3
Standards-aligned

Mia Campbell
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the Law of Sines formula for any triangle?
sin(A)/a = sin(B)/b = sin(C)/c
a^2 + b^2 = c^2
tan(A) = opposite/adjacent
cos(A) = b/c
Tags
CCSS.HSG.SRT.D.10
CCSS.HSG.SRT.D.11
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example given, what is the value of x when solving sin(60)/x = sin(78)/8?
7.08
8.07
6.08
9.08
Tags
CCSS.HSG.SRT.D.10
CCSS.HSG.SRT.D.11
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the general form of the Law of Cosines?
a^2 = b^2 + c^2 - 2bc cos(A)
a^2 + b^2 = c^2
cos(A) = b/c
tan(A) = opposite/adjacent
Tags
CCSS.HSG.SRT.D.10
CCSS.HSG.SRT.D.11
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example given, what is the value of a when solving 15^2 + 19^2 - 2(15)(19)cos(125)?
31.12
30.21
28.45
29.87
Tags
CCSS.HSG.SRT.D.10
CCSS.HSG.SRT.D.11
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the angle A when solving 1.9^2 = 1.3^2 + 2.1^2 - 2(1.3)(2.1)cos(A)?
8.67 degrees
5.87 degrees
7.68 degrees
6.87 degrees
Tags
CCSS.HSG.SRT.C.8
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the height of the tree if it grows at a 78-degree angle and the angle to the top of the tree from 10 feet away is 61 degrees?
12.33 feet
15.33 feet
13.33 feet
14.33 feet
Tags
CCSS.HSG.SRT.C.8
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does it mean to solve a triangle?
Find all three angles and all three sides
Find the height of the triangle
Find the area of the triangle
Find the perimeter of the triangle
Tags
CCSS.HSN.VM.A.1
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