What is the Law of Sines used for?
The Law of Sines

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Mathematics
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9th - 10th Grade
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Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Finding sides and angles of oblique triangles
Solving right triangles
Calculating the volume of a cube
Finding the area of a circle
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a side-angle-angle (SAA) triangle, how do you find the third angle?
Divide the two known angles
Multiply the two known angles
Subtract the two known angles from 180
Add the two known angles
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in solving an angle-side-angle (ASA) triangle using the Law of Sines?
Find the length of the unknown side
Subtract the known angles from 180 to find the third angle
Calculate the area of the triangle
Use the Pythagorean theorem
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What can happen in a side-side-angle (SSA) scenario that makes a triangle impossible?
The triangle is a right triangle
The angles add up to more than 180
The sine of an angle exceeds 1
The sides are all equal
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you calculate the area of an oblique triangle if the height is unknown?
Use the formula 1/2 base times height
Use the product of two sides and the sine of the angle between them
Use the Pythagorean theorem
Use the cosine rule
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