Angles in Polygons Worksheets

  1. Math >
  2. Geometry >
  3. Angles >
  4. Polygons

Hone skills with our angles in polygons worksheets packed with regular polygons like pentagons and hexagons, and irregular polygons like quadrilaterals and parallelograms. Practice finding missing angles in polygons and determining their total interior angles with these resources, which come with answer keys. Get a head start with our free worksheets!

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Missing Angle in a Polygon

Partition each polygon into triangles and multiply by 180° to find the sum of interior angles. Frame the equation and solve for x in these worksheets on angles in polygons.

Missing Angle in a Polygon

Unknown Angles in Quadrilaterals

Add the known interior angles and subtract the sum from 360° to find the unknown angle in these pdfs.

Unknown Angles in Quadrilaterals

Missing Angles in Parallelograms

Use facts like adjacent angles being supplementary and interior angles summing to 360° to solve for unknowns in these worksheets on angles in a parallelogram.

Missing Angles in Parallelograms

Interior Angles of Regular Polygons

Compute the sum of the interior angles and divide by the number of sides to find the measure of each interior angle of regular polygons in these printables.

Interior Angles of Regular Polygons

Finding Missing Angles in Quadrilaterals | Algebraic Expressions

Find the value of x and then calculate all other angle measures in this set of angles in a quadrilateral worksheets.

Finding Missing Angles in Quadrilaterals - Algebraic Expressions

Finding Missing Angles in Polygons | Algebraic Expressions

Determine the sum of the interior angles using the formula, then add the angle measures and expressions, and set up an equation to solve for x.

Finding Missing Angles in Polygons - Algebraic Expressions