Geometry involves:

Shapes:

• circles
• triangles
• squares
• rectangles
• rhombus
• trapezoids
• pentagons
• hexagons
• heptagons
• octagons
• nonagons
• decagons
• quadrilaterals
• parallelograms
• polygons

Angles:

• acute
• obtuse
• right
• straight

Triangles:

• acute
• equilateral
• isosceles
• obtuse
• right
• scalene

Points and Lines:

• intersecting lines
• line segments
• lines
• parallel lines
• perpendicular lines
• points
• rays

See our Teaching Resources for Math for geometry worksheets, lesson plans, etc.

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