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Listed under:  Mathematics  >  Geometry  >  Shapes (Geometry)  >  Circles  >  Arcs
Teacher resource

TIMES Module 13: Measurement and Geometry: construction - teacher guide

This is a 30-page guide for teachers that explains the central role of construction and presents examples of constructions.

Teacher resource

TIMES Module 26: Measurement and Geometry: circle geometry - teacher guide

This is a 44-page guide for teachers. It contains theorems on chords, arcs, angles and secants associated with circles.

Interactive resource

Trig radians: introduction

Use radians to measure angles. Identify key angles in their radian form, for example π/6=30°. Convert angles in degrees (up to 360) to angles in radians. Solve measurement problems using angles in radians. Determine arc lengths using radians. This learning object is one in a series of seven objects. Three objects in the ...

Image

Geometrical construction - mathematics activities

This is a photograph of a wall plaque, commemorating 'Life Members' of the Australian Association of Mathematics Teachers, made using a Reuleaux triangle shape. Although this shape is common in engineering design from drill bits to rotary engine construction (in an adapted form), it will be unfamiliar to many mathematics ...