Drawing a right angled triangle

Drawing a right angled triangle

Pencil and paper
Overview
Connecting to the Curriculum
Marking Student Responses
Further Resources
This task is about constructing a right-angled isosceles triangle.

Use your knowledge of constructing right angles to construct a right-angled isosceles triangle in the box below.

Leave in all your construction lines.

Label your triangle OAB.  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

   

 

Level:
5
Curriculum info: 
Maths, Geometry and Measurement, Shape
Keywords: 
bisectors, right angled triangles, perpendicular bisectors, compass
Description of task: 
This task requires students to construct a right-angled isosceles triangle, leaving in all construction lines.
Learning Progression Frameworks
This resource can provide evidence of learning associated with
Geometric thinking, set 6
within the Mathematics Learning Progressions Frameworks.
Read more about the Learning Progressions Frameworks.
Answers/responses: 

 

Y11 (09/2001)

Perpendicular bisector of a line used to construct right angle, with evidence of construction marks, and isosceles triangle completed accurately.

E.g.,


NOTE: Other constructions are possible.

very difficult

 
Perpendicular bisector of a line used to construct right angle, with evidence of construction marks, but isosceles triangle not completed or drawn accurately. difficult