Plane Figures
A point
What is the name of an angle that measures exactly 90 degrees?
A right angle
What is called when 2 lines are the same distance apart and will never touch?
Parallel lines
What is a triangle called that has 1 angle that measures exactly 90 degrees?
A right triangle
What is a straight path of points that travel on and on in both directions?
A line
What is the name of an angle that measures less than 90 degrees?
Acute angle
What are two lines called that cross at one point?
Intersecting lines
What shape has 4 sides, 4 right angles and all sides are the same length?
A square
What is a part of a line that has 2 endpoints?
A line segment
What is the name of an angle that measures more than 90 degrees?
Obtuse angle
What are 2 lines called that cross at one point and form a 90 degree angle?
Perpendicular lines.
What is a triangle called that has 1 angle that is more than 90?
An obtuse triangle
What figure goes on and on in only 1 direction?
A ray
What is the name of an angle that looks like a line?
A straight angle
What is the name of the line that if you fold a shape over it, both halves are the same?
Line of symmetry
What is the name of triangle with the following measurements: 53 degrees, 65 degrees and 62 degrees?
An acute triangle
What is formed by 2 rays or line segments that share an endpoint?
An angle
What is the name of the quadrilateral that has only 1 pair of parallel sides?
A trapezoid