Points and Lines
A figure with no length, width or height and that can be named with a single letter.
What is a point?
An angle that measures 90 degrees.
What is a right angle?
The two types of triangles with two acute angles.
What are obtuse and right angles?
A closed figure with three sides and three angles.
What is a triangle?
A closed figure with four equal sides and four right angles.
What is a square?
A part of a line with 2 endpoints.
What is a line segment?
An angle that measures 180 degrees.
What is a straight angle?
A triangle with one angle measuring 90*.
What is a right angle?
A closed figure with four sides and four angles.
What is a quadrilateral?
A closed figure with four right angles.
What is a rectangle?
A one-dimensional figure that continues straight in both directions.
What is a line?
The measurement of a circle (or full angle).
What is 360 degrees?
A triangle with one angle measuring more than 90*.
What is an obtuse triangle?
A closed figure with six sides and six angles.
What is a hexagon?
A quadrilateral with two sets of parallel sides.
What is a parallelogram?
A figure with an endpoint that goes on forever in one direction.
What is a ray?
An angle that measures less than 90 degrees.
What is an acute angle?
A triangle that has three angles measuring <90*.
A closed figure with five sides and five angles.
What is a pentagon?
What is a rhombus?
A figure formed by two rays, line segments or lines that intersect at a vertex.
What is an angle?
An angle that is >90*, but less than 180*.
What is an obtuse angle?
A triangle with a perpendicular angle.
What is a right triangle?
A closed figure with no curved edges.
What is a polygon?
A quadrilateral with one set of parallel sides.
What is a trapezoid?