Constructions 2 (Edexcel GCSE Maths): Flashcards

Ruler and compasses only

The longest side

Draw arcs from both ends of base; mark where they intersect

Line dividing an angle into two equal parts

Equal distances from vertex and equal radii for arcs

Use equilateral triangle method with equal arcs

$60°$

Bisect a $90°$ angle

Bisect a $60°$ angle

$45°$

$30°$

Combine basic constructions (e.g., bisect standard angles)