
Understanding the Sine and Cosine Rules

Interactive Video
•
Mathematics
•
7th - 10th Grade
•
Medium

Amelia Wright
Used 3+ times
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of triangles can the sine rule be applied to?
Only isosceles triangles
Any type of triangle
Only equilateral triangles
Only right-angled triangles
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is the cosine rule introduced as an alternative to the sine rule?
Because the sine rule is too complex
Because the sine rule doesn't work in all cases
Because the cosine rule is more accurate
Because the sine rule is only for right-angled triangles
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How should sides and angles be labeled in a triangle for applying the sine and cosine rules?
Sides with numbers and angles with letters
Sides with lowercase letters and angles with uppercase letters
Sides with uppercase letters and angles with numbers
Sides with symbols and angles with numbers
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is required for the sine rule to work?
Three sides of the triangle
One complete pair and half of another pair
Two angles and one side
Two complete pairs of sides and angles
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the context of the sine rule, what constitutes a 'complete pair'?
A side and its adjacent angle
A side and its opposite angle
Two sides of the triangle
Two angles of the triangle
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When is the cosine rule applicable?
When only one side is known
When all three angles are known
When all three sides are known or two sides and the included angle
When two angles and a side are known
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the key difference between the sine and cosine rules?
The sine rule is for right-angled triangles, cosine for others
The sine rule requires a complete pair, cosine can work with all sides
The cosine rule is simpler than the sine rule
The sine rule is more accurate than the cosine rule
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