30 60 90 Triangles CHEAT CODE SHORTCUT

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Mathematics
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9th - 10th Grade
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Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the relationship between the angles and sides in a 30-60-90 triangle?
The 30-degree angle is opposite the longest side.
The 60-degree angle is opposite the shortest side.
The 90-degree angle is opposite the hypotenuse.
The 30-degree angle is opposite the shortest side.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the side opposite the 30-degree angle is 4, what is the length of the hypotenuse?
4
4√3
8
2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you find the side opposite the 60-degree angle if the side opposite the 30-degree angle is known?
Multiply by 2
Multiply by √3
Divide by √3
Divide by 2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in solving a 30-60-90 triangle when given the side opposite the 60-degree angle?
Divide by 2
Multiply by √3
Divide by √3
Multiply by 2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it necessary to rationalize the denominator when dividing by a radical?
It is considered improper to have a radical in the denominator.
It is a mathematical rule.
It simplifies the expression.
It makes calculations easier.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the side opposite the 60-degree angle is 10, what is the length of the side opposite the 30-degree angle after rationalization?
3√10
10/√3
10
10√3/3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final step to find the hypotenuse if the side opposite the 30-degree angle is known?
Multiply by 2
Multiply by √3
Divide by 2
Divide by √3
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