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Math Unit 5: Part 2

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
perimeter   The distance around a figure  
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area   The number of square units needed to cover the region  
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surface area   The sum of the areas of all of the faces of a solid figure  
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line plot   A graph using marks along a number line to show how many objects are in a set  
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protractor   A tool used to measure angles  
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point   An exact location in space  
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vertex   The point where two rays or lines meet to form an angle  
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ray   A straight row of points that starts at one point and goes on forever in one direction  
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angle   A geometric shape made by two rays from a common endpoint, called a vertex  
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right angle   An angle that forms a square corner  
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acute angle   An angle that is less than a right angle  
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obtuse angle   An angle that is greater than a right angle  
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decompose   To split up into parts  
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Created by: RSachs
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