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Geometry (unit 3)
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A polygon with 10 sides is called...
A decagon.
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A polygon with 4 sides is called...
A quadrilateral.
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What's an obtuse angle?
An angle greater than 90° and less than 180°.
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What's a right angle?
An angle that measures exactly 90°.
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What's a concave polygon?
A polygon that has at least one reflex interior angle.
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What's an acute angle?
An angle greater than 0° and less than 90°.
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What's a polygon?
An enclosed and flat figure made up of straight lines.
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A polygon with 7 sides is called...
A heptagon.
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You've got 10 FREE POINTS for your team!
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What's a convex polygon?
A polygon with all its interior angles less than 180°.
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What's a reflex angle?
An angle greater than 180° and less than 360°.
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