MYP 2Year 8Term 3
8.15 Parallel Lines and Polygons
Angles in parallel lines · Interior & exterior angles · Triangle angle sum
Geometry
7 objectives
Learning objectives
What students should be able to do by the end of this unit.
Parallel Lines and Polygons
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- Identify alternate, corresponding and co-interior angles formed by a transversal crossing parallel lines.
- Calculate unknown angles in parallel-line diagrams.
- Apply the triangle angle sum theorem to determine unknown angles.
- Calculate the sum of the interior angles of a polygon using (n − 2) × 180°.
- Calculate the size of one interior angle of a regular polygon.
- Use the fact that exterior angles of a polygon sum to 360°.
- Solve algebraic angle problems where angles in parallel-line or polygon diagrams are given as expressions in x.
Review pack
Curated revision materials parents and students can download.
A review pack for this unit is being prepared.