Triangles and quadrilaterals

An angle measuring less than 90 degrees

• obtuse angle

• Acute angle

• right angle

• goose angle

A triangle with all the same length

• Acute

• Equilateral

• scalene

• Scope

A triangle that has exactly 2 equal sides or 2 equal angles

• Scalene

• Tremble

• Equilateral

• Isosceles

Angle greater than 90 degrees

• Obtuse

• Scalene

• Isosceles

• lady bird

• Scalene

• Moose

• Obtuse

• Acute

Lines that never intersect and are always apart the same distance

• Parallel Lines

• Intersecting Lines

• Wiggly Lines

• curvy lines

• intersecting lines

• Curvy lines

• one line

• Parallel lines

A quadrilateral with 2 sets of parallel lines

• parallel lines

• parallelogram

• rectangle

• square

A closed flat figure with three or more line segments

• square

• rectangle

• Polygon

• acute

A polygon with four sides

• 5 sided shape

• 2 x 2 = 4

• pentagon

• Quadrilateral