Triangle Worksheets

The Exterior Angle Theorem Worksheets

This Triangle Worksheet will produce exterior angle theorem problems. You can choose a single variable or an algebraic expression for the unknown angle. This worksheet is a great resource for the 5th, 6th Grade, 7th Grade, and 8th Grade.

Unknown Angle Expression

Single variable expression (i.e.   x°).
Algebraic expression (i.e.  3x°   or   4x + 17°).
Mixture of Both Types.

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Memo Line for the Triangle Worksheet

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Triangle Worksheet Answer Page

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