Construction Blank

Essential tools for construction only. Last two tools are measurement tools to check the properties of your construction.

Quadrilaterals

Circle Theorems (ii)

The point O marks the centre of the circle. AF is a diameter of the circle. AE and DE are tangents to the circle.

Trigonometry Introduction

Control the angle theta and the hypotenuse to create a range of specified triangles.

Cosine Rule Question Generator

Move the three points around to create as many problems as required with the same solution for angle theta.

Chords on a Circle

Chord Lengths

Information