Angles on a window

Angles on a window

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This task is about measuring and drawing angles.

Amy is designing a stained glass window by using a half circle and dividing it into four sectors.

Use the angles listed to draw in the sector lines on the diagram below. 

 

Measure and draw all of the angles starting from the midpoint on line .

a)  45°

b)  78°

c)  162°

 

 

 

Level:
4
Curriculum info: 
Maths, Geometry and Measurement, Measurement
Keywords: 
angles, measuring, reading scales
Description of task: 
This task requires students to use a protractor to draw in three angles on a half circle window design.
Curriculum Links: 
 
 
Answers/responses: 

 

Y8 (10/2001)

a)

 Angle drawn ± 1 °.

moderate
b) Angle drawn ± 1 °. moderate
c) Angle drawn ± 1 °. moderate

NOTE: Angles can be drawn from either direction, and in any order. Alternative answers are acceptable, e.g.,

Template for marking: Suggest copying onto OHT for ease of marking.