Two lines that are the same distance apart and will never intersect.
Parallel lines
A 90 degree angle.
A right angle
A triangle with all three sides of equal length.
Equilateral triangle
How many sides does a quadrilateral has?
4 sides
A two-dimensional geometric shape composed of a sequence of straight line segments connected to form a closed figure.
A polygon
Two lines that intersect each other at a 90º angle, forming a right angle.
Perpendicular lines
An angle that is less than 90 degrees.
An acute angle.
A triangle with two sides of equal length
Isosceles triangle
A polygon with five sides and five angles.
A pentagon
A line segment that forms part of a shape
Side
Two lines that meet at a common point.
Intersecting lines
An angle that is greater than 90 degrees.
An obtuse angle.
A triangle with one angle greater than 90 degrees.
Obtuse triangle
A polygon with six sides and six angles.
Hexagon
Is a point where two or more edges of a shape meet.
Vertex
This is part of a line that has a beginning and an end.
A line segment
This is the number of degrees in a straight angle.
180 degrees
All angles in every triangle will add up to this number of degrees
180 degrees
This is a quadrilateral shape with two pairs of opposite sides parallel and 4 right angles
A rectangle
A quadrilateral in which both pairs of opposite sides are parallel and equal.
A parallelogram