Edexcel IGCSE Math A 4.5 construction

Use this construction page to measure and draw accurately, construct triangles and create perpendicular or angle bisectors with visible construction lines.

Exam points

Construct angle bisectors and perpendicular bisectors using ruler and compasses.
Draw triangles or two-dimensional shapes accurately from given lengths and instructions.
Measure or draw line segments to the requested centimetre or millimetre accuracy.

Covered syllabus points

4.5.A Measure and draw lines to the nearest millimetre 4.5.B Constructing two-dimensional shapes 4.5.C Problems using scale drawings 4.5.D Perpendicular and angle bisectors

[Maximum number: 2]

The scale drawing shows the position of a hall and the position of a library.

Figure for Question 4.5 Construction question 1 — Edexcel IGCSE Math A Higher

Scale: 1 cm represents 20 metres

A post box is 140 metres from the library on a bearing of $220^{\circ}$

Show the position of the post box on the scale drawing.

Mark the position with a cross ( $\times$ ) and label it P.

Mark P in the correct region on the overlay.

M1 for correct bearing within $\pm2^\circ$ , or correct distance within $\pm2\text{ mm}$ .
A1 for fully correct position for P.

[Maximum number: 2]

Using ruler and compasses only, construct the bisector of angle ABC Show all your construction lines.

Figure for Question 4.5 Construction question 2 — Edexcel IGCSE Math A Higher

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Covered syllabus points

4.5 Construction question 1

4.5 Construction question 2