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13 Cards in this Set
- Front
- Back
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ray
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A line that extands infinitely in one direction;the sides of an angel
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Angel
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Two rays that meet at a common endpoint the vertex.
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vertex
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The point where two rays or sides intersect.
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degree
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unit of measyre for angels.
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acute
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An angel that meausres between 0 and 90 degrees.
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right Angel
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an angel that measures exackly 90 degrees.
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obtuse angel
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An angel that measures between 90 and 180 degrees.
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straight angel
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an angel that mesures 180 degrees.
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reflex angel
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An angel that measures between 180 and 360 degrees.
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protractor
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a tool that measures the degrees of angels.
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complementry angel
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formed when the sum of the measure of two adjacent angels is 90 degrres.
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supplementry amgels
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fromed when the sum of the measure of two adjacent angels is 180 degrees.
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congruent
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equal to haveing the same measurea.
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