
Determine the missing variable using the sum of interior angles ex 1
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Mathematics
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11th Grade - University
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Practice Problem
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Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the sum of the interior angles of a quadrilateral?
180 degrees
540 degrees
720 degrees
360 degrees
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which formula is used to calculate the sum of interior angles of a polygon?
S = n * 180
S = (n - 2) * 180
S = (n - 2) * 90
S = n * 90
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in solving for a variable in an equation?
Add all terms
Subtract all terms
Set up the equation
Multiply all terms
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
After combining like terms, what is the next step to solve 6X + 180 = 360?
Divide both sides by 6
Add 180 to both sides
Subtract 180 from both sides
Multiply both sides by 6
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the value of X when solving the equation 6X = 180?
15
20
30
25
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