math vocab unit 3 by lexi. acute angle acute angle- an angle that measures between 0° and 90. 2
TRANSCRIPT
ADJACENT ANGLE
Angles that are next to each other; adjacent angles have a common side, but no other overlap.
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RADIUS
A line segment from the center of a circle (or sphere) to any point on the circle (or sphere) also the length of such a line segment.
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TESSELLATION
An arrangement of shapes that covers a surface completely without overlaps or gaps also called a tiling.
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VERTICAL/OPPOSITE ANGLE
When two lines intersect, the angles that do not share a common side. Vertical angles have equal measures.
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POLYGON
A closed 2-dimensionalfigure that Is made up of line segments joined end to end. The line segments of a may not cross.
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PARALLEL LINES
Never meeting always the same distance apart. Lines, line segments, and rays in a plane are parallel if they never meet, no matter how far they are extended.
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DIAMETERA line segment that passes
through the center of a circle or a sphere and has end points on the circle or sphere also the length of this line segment. The diameter of a circle or sphere is twice the length of radius.
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See definition for radius slide 6