37 terms

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