Points and Lines
This part of a line has one endpoint and continues forever in one direction.
What is a ray?
An angle that looks like the corner of a square and measures exactly 90 degrees.
What is a right angle?
This shape has four equal sides and four right angles.
What is a square?
This solid figure has no faces, no edges, and no vertices.
What is a sphere?
If you see the symbol , what geometric figure is it representing?
What is line AB?
These lines stay the same distance apart and never, ever touch.
What are parallel lines?
This type of angle is "cute" because it is smaller than a right angle.
What is an acute angle?
A quadrilateral with exactly one pair of parallel sides.
What is a trapezoid?
A cube has this many flat faces.
What is six?
These small "tick or hash marks" on the sides of a triangle or square mean that those sides are ________.
What is congruent or equal in length?
Two lines that cross each other at exactly a 90-degree angle.
What are perpendicular lines?
An angle that is wider than a right angle but not a straight line.
What is an obtuse angle?
This shape can look like a "squashed" square; it has four congruent sides, but doesn't have to have right angles.
What is a rhombus?
This solid figure has one circular base and one apex/vertex at the top.
What is a cone?
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This is the specific name for the point where two rays meet to form an angle.
What is a vertex?
How many right angles are found in a perfect square?
What is four?
True or False: A rectangle is always a parallelogram.
What is true?
How many vertices does a square pyramid have?
What is five?
This small symbol is drawn in the corner of a shape to show it is exactly 90 degrees.
What is a small square or right angle symbol?
Describe the difference between a line and a line segment.
What is: A line goes on forever in both directions; a line segment has two endpoints and a fixed length
If two lines intersect but do not form right angles, what are they called?
What are intersecting lines?
Name two properties that a square and a rhombus always have in common.
What are: four congruent sides and two pairs of parallel sides?
Compare a cube and a square. What is the main difference in their characteristics?
What is: A square is a 2D plane figure with sides; a cube is a 3D solid figure with faces, edges, and volume.
Write the symbolic notation for "Ray EF."
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