Geometry
Basic unit of Geometry
What is point?
A triangle where all three sides are the same length.
What is an equilateral triangle?
Lines that intersect to form a "square corner" or 90-degree angle.
What is a perpendicular line?
Exactly 90 degrees.
What are right angles.
Closed, 2D figure with straight sides.
What is a polygon?
Formed joining two points in a plane.
What is line?
A triangle that features one 90-degree angle.
What is a right tiangle?
Lines in the same plane that never intersect and are always the same distance apart.
What are parallel lines?
Less than 90 degrees.
What are acute angles?
A 5-sided shape.
What is a pentagon?
We use them to name the points.
What is a capital letter?
A triangle with at least two sides of equal length.
What is an isosceles triangle?
Lines that cross in a point forming different angles.
What are intersecting lines?
Between 90 and 180 degrees.
What are obtuse angles?
A 4-sided polygon with 4 right angles and parallel sides.
What is a quadrilateral/rectangle?
A straight path that goes on forever in both directions.
What is a line?
A triangle where all three internal angles are less than 90 degrees.
What is an acute angle?
A part of a line that has one endpoint and continues forever in one direction.
What is a ray?
Exactly 180 degrees.
What are straight angles?
A polygon where all sides and angles are equal.
What is a regular polygon?
If a triangle is obtuse, what is the maximum number of obtuse angles it can have?
What is one?
A triangle where all three sides have different lengths.
What is a scalene triangle?
A part of a line with two endpoints.
What is a line segment?
Shape formed by two rays sharing an endpoint.
What are angles?
A special rectangle with 4 equal sides.
What is a quadrilateral/square?