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