A polygon whose interior angles have a sum smaller than the sum of its exterior angles is a ____________________.
Triangle
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20
What is the measure of each interior angle of a regular 45-gon?
172°
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10
What is the measure of each exterior angle of a pentadecagon?
Can't tell...Does not say regular
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10
An 89-gon has ______________ diagonals from each vertex.
86
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10
A regular polygon has exterior angles of 30 degrees. Find the total number of diagonals that can be drawn in it.
54
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10
A 21-gon has how many diagonals?
189
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15
If the measure of each angle of a regular polygon is 169 3/33°, then it has _________ sides.
33
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10
The measure of one interior angle of a regular polygon is 144°. How many sides does it have?
n = 10
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10
Always, Sometimes, Never - If the number of sides of a regular polygon doubles, then the measures of each angle also doubles.
Sometimes ( yes for triangle to hexagon but no for Square to Octagon)
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banana
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star
Double points!
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fairy
Take points!
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25
thief
Give points!
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10
Always, Sometimes, Never....If three additional sides are added to a polygon, the sum of its angles increases by 540°
ALWAYS
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10
The measure of one exterior angle of a regular polygon is 72. Find the number of sides.
n=5
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eraser
Reset score!
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fairy
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fairy
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banana
Go to last place!
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thief
Give points!
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seesaw
Swap points!
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fairy
Take points!
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lifesaver
Give 25 points!
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10
The measure of an exterior angle of a regular polygon is 2x, and the measure of an interior angle is 4x. Find the measure of one interior and exterior angle