Triangles
Closed shapes with 3 or more sides
Polygon
Quadrilaterals
2 obtuse angles and 2 acute angles with one set of parallel sides
trapezoid
Pentagon
A triangle with angles of 126 degrees, 11 degrees and 43 degrees
Obtuse triangle
2 attributes used to classify triangles
sides and angles
Quadrilateral with one set of parallel sides
Trapezoid
T or F
All rhombuses are squares.
False
Visual diagram using boxes that displays the classification of shapes
Tree diagram
Quadrilateral that has no parallel lines
Kite
classification of triangles in which two sides of the triangle are equal
isoceles triangle
_________ is to rectangle, as __________ is to square
parallelogram and rhombus
3 sided polygon with no sides equal
scalene
Visual display shaped like ovals or circles that display classifications or similarities and differences in a different concepts
Venn diagram
T or F
All rectangles are parallelograms
True
classification of triangles in which one angle is right
right triangle
polygons with 90 degree angles
rectangle, square, right triangle
3 sided poly with all sides equal
equilateral triangle
Polygons with 360 degrees on the inside
Quadrilaterals
Quadrilateral that has 4 sides of equal length and 90 degree angles
square
180 degrees
degrees measured inside every triangle
T or F
All squares are quadrilaterals
True
4 sided polygon with 2 sets of parallel sides and no 90 degree angles
parallelogram
Polygon with one angle 90 degrees, one angle 60 degrees and one angle 30 degrees
Triangle
Quadrilateral with two angles 120 degrees and two angles 60 degrees
parallelogram