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Chapter 11
Angles
Question | Answer |
---|---|
in the same direction in which the hands of a clock move | clockwise |
in the opposite direction in which the hands of a clock move | counterclockwise |
the unit used for measuring angles | degree |
a tool used for measuring the size of an angle | protractor |
an angle that measures greater than 0 degrees and less than 90 degrees | acute angle |
an angle that measures greater than 90 degree and less than 180 degrees | obtuse angle |
a part of a line, it has one endpoint and continues without end in one direction | ray |
an angle that forms a square corner and has a measure of 90 degrees | right angle |
the point at which two rays on an angle meet or two (or more) line segments meet in a two dimensional shape | vertex |