Equilateral Triangle
Scalene Triangle
Line Segment
Angle
Rhombus
Obtuse Angle
Right Angle
Perpendicular Line Segments
Quadrilateral
Square
Parallelogram
Intersecting Line Segments
Acute Angle
Straight Angle
Vertex
It is more than 90° and less than 180°.
a polygon with four sides
Figure formed by two rays.
a triangle with all sides equal and all angles equal
An angle of 180°.
Angle that equals 90 degree.
a rectangle having all four sides of equal length
one part of a line
the intersection point of two sides of a plane figure
A quadrilateral having both pairs of opposite sides parallel to each other
Line segments that cross each other
two line segments which cross to form 90 degree angles
a triangle having three unequal sides and angles
Less than 90° and more than 0 °
an equilateral parallelogram having oblique angles
