Mathematics 4024 · O Level

Geometrical constructions

32 practice questions on Geometrical constructions, with worked solutions and instant marking.

The diagram illustrates the lines $AB$ and $BC$.

May/June 2015

Within triangle $ABC$, the lengths are $AB = 5$ cm and $AC = 6$ cm.

May/June 2015

The diagram depicts triangle $ABC$.

May/June 2016

The diagram shows the triangle labelled $ABC$.

May/June 2016

Triangle $ABC$ is drawn with sides $AB=8\text{ cm}$, $AC=7\text{ cm}$ and $BC=12\text{ cm}$.

May/June 2016

ABC forms a triangle. B and D lie on opposite sides of the line AC. DA = 9 cm and CD = 7 cm.

May/June 2017

The diagram indicates where point $A$ is positioned.

May/June 2017

The scale sketch represents a barn $ABCD$. Here, $AB = 7\text{ m}$ and $BC = 4\text{ m}$. The scale used is $1\text{ cm}$ to represent $1\text{ m}$. A horizontal rail is fixed to the outside wall of the barn from $A$ to $B$. Jasper is a dog on a $3\text{ m}$ rope. One end of the rope is fastened to the rail, and that end may move along the rail.

May/June 2018

On the diagram, construct the perpendicular bisector for $AB$.

May/June 2018

$ABC$ is a triangle with $AC=6\text{ cm}$ and $BC=9\text{ cm}$. $AB$ is shown below. Using only a ruler and a pair of compasses, construct triangle $ABC$.

May/June 2018

The diagram displays the layout of a garden, $ABCD$.

May/June 2019

For this question, use only a straight edge and a pair of compasses.

May/June 2019

$ABCD$ forms a parallelogram. $AD = 6\text{ cm}$, $AB = 8\text{ cm}$ and $BD = 11\text{ cm}$.

May/June 2019

Use only a ruler and compasses in this question.

May/June 2021

Construct the bisector of angle $PSR$ using only a straight edge and compasses.

May/June 2022

The diagram displays a field, $ABCD$, drawn at a scale of $1\text{ cm}$ to $50\text{ m}$.

May/June 2022

$ABC$ forms a triangle with $AC = 5\,\text{cm}$ and $BC = 10\,\text{cm}$. With a ruler and compasses only, construct triangle $ABC$. $AB$ has already been drawn for you.

May/June 2024

The scale diagram depicts a section of field $ABCD$. The drawing scale is $1\text{ cm}$ representing $50\text{ m}$.

May/June 2024

The diagram presents quadrilateral $ABCD$.

Oct/Nov 2016

The diagram represents triangle $ABC$.

Oct/Nov 2016

In the diagram, $PQ$ crosses $LM$ at $O$.

Oct/Nov 2018

The diagram depicts triangle $ABC$.

Oct/Nov 2019

Point $C$ lies above $AB$, with $AC = 5\text{ cm}$ and $BC = 7\text{ cm}$. Use a pair of compasses and a ruler only to construct triangle $ABC$.

Oct/Nov 2019

The diagram shows where boats $A$, $B$ and $C$ are positioned.

Oct/Nov 2020

In triangle $PQR$, the lengths are $PR = 7.5$ cm and $QR = 6$ cm.

Oct/Nov 2020

$ABC$ forms a triangle, with $AC = 5\,\text{cm}$ and $BC = 7\,\text{cm}$.

Oct/Nov 2021

The scale diagram depicts a garden with two trees $P$ and $Q$. The scale is $1$ centimetre represents $6$ metres.

Oct/Nov 2021

The scale diagram represents a plot of land, $PQRS$. The scale is $1\text{ cm}$ to $20\text{ m}$.

Oct/Nov 2022

The scale diagram indicates the locations of two boats $A$ and $B$. The scale used is $1 : 20000$.

Oct/Nov 2023

Determine angle $ABC$.

Oct/Nov 2023

The scale sketch shows field $ABCDE$. Inside the field is a stage, which is a sector of a circle with centre $C$. The scale used is $1\text{ cm}$ to $2.5\text{ m}$.

Oct/Nov 2024

Triangle ABC has AB = 8.5 cm, AC = 6 cm and BC = 7 cm.

Oct/Nov 2025