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Chapter 10
Two-Dimensional figures
Question | Answer |
---|---|
an angle that has a measure less than a right angle | acute angle |
a straight path of points that continues without end in both directions | line |
an imaginary line that divides a shape into two congruent parts | line of symmetry |
what a shape has if it can be folded about a line so that its two parts match exactly | line symmetry |
an angle that has a measure greater than a right angle | obtuse angle |
a part of a line, with one endpoint, that is straight and continues in one direction | ray |
an angle that forms a square corner and has a measure of 90 degrees | right angle |
an angle which two rays point in opposite directions so that they form a line | straight angle |