ACMMG166

Demonstrate that the angle sum of a triangle is 180° and use this to find the angle sum of a quadrilateral

Elaborations

• using concrete materials and digital technologies to investigate the angle sum of a triangle and quadrilateral (Skills: Numeracy, Information and Communication Technology (ICT) Capability, Critical and Creative Thinking)

(View this topic on www.australiancurriculum.edu.au )