Geometry

Line segment

ray

line

Right angle

Acute angle

Obtuse angle

Right triangle

Obtuse triangle

Acute triangle

Equilateral triangle

Isosceles triangle

Scalene triangle

Quadrilaterals•Any closed figure with four sides

rectangle

square

parallelogram

rhombus

trapezoid

Triangle-3

Quadrilaterals-4

-gon•angle

Pentagon-5

Hexagon-6

Octagon-8

Turn-rotation

Slide-translation

Flip-reflection

polygon

triangle

octagon

hexagon

pentagon

quadrilateral

3

8

65

4

triangle

Equilateral triangleObtuse

triangle

Isosceles triangle

Scalene triangle

Right triangle Acute

triangleAll sides are equal

Two sides are the same length

No sides are the same length

One angle is a right angle

Al l three anglesare acute

One angle is obtuse

quadrilaterals

rectangle

square

trapezoid

parallelogram

rhombusThere are 4 right angles

There are 4 right anglesOpposite sides are parallel

and all sides are the same length

Opposites sides are parallel There is only one pair of parallel sides