The name given to any closed figure made up of multiple line segments and angles.
What is a polygon?
A _________ is represented by a dot and is used to tell an exact location in space.
What is a point?
This angle measures exactly 90 degrees.
What is a right angle?
Two lines or line segments that never cross and are equal distances apart at all points are called ____________.
What is parallel?
This type of triangle has 3 acute angles.
What is an acute triangle?
This geometric figure is a polygon constructed of 3 sides and 3 angles.
What is a triangle?
A ________ is a one-dimensional figure that extends forever in both directions.
What is a line?
This angle measures less than 90 degrees.
What is an acute angle?
Two lines or line segments that form one or more right angles where they cross are referred to as being ___________ .
What is perpendicular?
This type of triangle has 1 right angle and 2 acute angles.
What is a right triangle?
This is a way to classify all polygons with 4 sides and 4 angles.
What is a quadrilateral?
A part of a line that has two end points.
What is a line segment?
This angle measures 180 degrees.
What is a straight angle?
Two lines crossing, but not creating right angles are said to be ___________ lines.
What are intersecting?
This type of triangle has 1 obtuse angle and 2 acute angles.
What is an obtuse triangle?
A quadrilateral that has one pair of parallel sides.
What is a trapezoid?
A part of a line that has a fixed starting point but does not have an endpoint.
What is a ray?
This tool is used to measure angles in degrees.
What is a protractor?
Line segment AB is perpendicular to line segment BC. Classify the figure formed by the two line segments.
What is a right angle?
The sum of the 3 angles in a triangle.
What is 180 degrees?
The name of a quadrilateral that meets all of the following criteria: 2 pairs of parallel sides, 4 sides of equal length, and 4 right angles.
What is a square?
The point at which two rays or line segments meet, also know as the vertex, is called an _________.
What is an angle?
This angle measures greater than 90 degrees, but less than 180 degrees.
What is an obtuse angle?
Line segment AB is perpendicular to line segment BC. Name the figure formed with a single letter.
What is angle B?
The sum of the 4 angles in a rectangle.
What is 360 degrees?