Please note: This site contains links to websites not controlled by the Australian Government or ESA. More information here.
In this activity students are shown what constitutes a supplementary angle and answer a series of questions to demonstrate their understanding.
|Year level(s)||Year 7|
|Purpose||Content knowledge, Teaching resource|
|Teaching strategies and pedagogical approaches||Feedback|
|Keywords||Angles, Parallel, Co-interior, Alternate, Triangle, Interior|
|Strand and focus||Space|
|Topics||Angles and geometric reasoning|
|AC: Mathematics (V9.0) content descriptions||
Identify corresponding, alternate and co-interior relationships between angles formed when parallel lines are crossed by a transversal; use them to solve problems and explain reasons
Demonstrate that the interior angle sum of a triangle in the plane is 180° and apply this to determine the interior angle sum of other shapes and the size of unknown angles
Understanding geometric properties (P6)
© 2022 GeoGebra. Free-for-education material.