Angles, Quadrilaterals, Triangles
Acute (0-89)
Quadrilaterals
Triangles
Obtuse (91-179)
Right Angle (90)
Straight Angle (180)
protractor
Square
Rectangle
Four sided shape
three angles add to 180 degrees
has 360 degrees in total
threee sided shape
scalene
equilateral
isosceles
rhombus
Reflex (181-359)
Revoloution (360)
measured in degrees
four angles
right-angled triangle
regular quadrilaterals have 2 parallel sides