37 terms

2D SHAPES

STUDY
PLAY
square
four equal sides and four right angles
rectangle
four right angles
parallelogram
opposite sides parallel
rhombus
four sides of equal length and opposite angles are equal
trapezium
two parallel sides and two non-parallel
regular pentagon
regular hexagon
regular octagon
scalene triangle
isosceles triangle
circle
equilateral triangle
Square
A quadrilateral with 4 equal sides and 4 right angles, opposite sides are parallel
Rectangle
A quadrilateral with 2 pairs of equal sides and 4 right angles, opposite sides are parallel
Rhombus
Parallelogram with 4 equal sides and equal opposite angles
Parallelogram
A quadrilateral with opposite sides that are parallel and of equal lengths and opposite angles that are equal
Trapezoid
A quadrilateral with 4 sides having 1 pair of parallel sides
Isosceles Triangle
A triangle having exactly two sides that are equal. Exactly two angles that are equal
Equilateral Triangle
A triangle where all sides are equal. All angles are equal. Each angle measures 60 degrees
Right Triangle
A triangle with one angle measuring 90 degrees
regular polygon
a polygon with equal sides and angles
triangle
a three sided figure whose sum of the interior angles is 180 degrees
equilateral triangle
all sides are congruent
isosceles triangle
two equal sides and one different side
scalene triangle
all three different sides
acute triangle
all angles in a triangle are between 0 and 90 degrees
obstuse triangle
one angle in a triangle is between 90 and180 degrees
right triangle
one angle in a triangle is exactly 90 degrees
quadrilateral
a polygon with 4 sides
parallelogram
a quadrilateral with opposite sides parallel
trapezoid
a quadrilateral with only one pair of parallel sides
rhombus
a parallelogram with 4 equal sides
pentagon
a polygon with 5 sides
hexagon
a polygon with 6 sides
heptagon
a polygon with 7 sides
octagon
a polygon with 8 sides
decagon
a polygon with 10 sides