Grade 4 Go Math Chapter 10 Lesson 1 – Flashcards
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acute angle
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An angle that measures greater than 0° and less than 90°
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intersecting lines
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Lines that cross each other at exactly one point
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line
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A straight path of points in a plane that continues without end in both directions with no endpoints
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line segment
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A part of a line that includes two points called endpoints and all the points between them
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obtuse angle
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An angle that measures greater than 90º and less than 180º
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point
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An exact location in space
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right angle
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An angle that forms a square corner
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straight angle
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An angle whose measure is 180°
