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7th Grade Math (Math 7) · Chapter 8 · Lesson 8.5 · Printable PDF

Finding Unknown Angle Measures Worksheet with Answer Key

6 problems on finding unknown angle measures: four floor tiles meeting at a point, branches from a tree trunk, a path that splits, rays on a line, a farm gate with braces, and angles on a line. 2 pages, with a worked answer key.

6 problems2 pagesanswer key
Printable Finding unknown angle measures worksheet with answer key - 7th Grade Math (Math 7) (Page 1 PDF preview)
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Try one first: a free Chapter 1 worksheet (PDF, no sign-in).

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What's on the worksheet

  1. Word problem: the corner of the fourth tile where four tiles meet.
  2. Word problem: angles between tree branches and the trunk.
  3. Word problem: the angle between two branches of a bike path.
  4. Find unknown angles when three rays leave a point on a line.
  5. Word problem: angles at a farm gate's rail, post and diagonal braces.
  6. Find angles when two rays leave a point on a line, with x and given angles.

Teach it first

The free lesson teaches it with worked examples and practice problems.

Finding unknown angle measures: the lesson ›

More Chapter 8 worksheets: Angles, triangles and constructions