Grade 10 Polygon Angles Worksheet
Find missing angles in quadrilaterals, compute interior angle sums, and determine side counts from exterior angles. Free printable worksheet — 20 questions plus a separate answer key. Each sheet is freshly generated, so your kid can practice as many times as they need.
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Sample questions
Two examples from the Polygon Angles worksheet. Print the full sheet for 20 questions plus an answer key.
- Sample 1
Quadrilateral. Three angles 61°, 78°, 101°. Fourth angle?
Show answer
120 - Sample 2
Quadrilateral. Three angles 72°, 100°, 86°. Fourth angle?
Show answer
102
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