← 4.2 Geometrical Constructions
Constructions in real life
Mathematics · Grade 7 · about 40 minutes
Recognise 90°, 60°, bisectors, triangles and circles in workshops, kitenge, pitches and badges, and say why we construct instead of guessing.
Sign in to read this lesson
Lessons are for learners and teachers with an account. Browsing the curriculum — subjects, strands and what each sub-strand covers — stays open to everyone.
- 7 sections of explanation, worked examples and diagrams
- 1 practice task with hints and worked answers
- A quiz that marks itself as you go
- Your progress kept across every subject you take
Other lessons in this sub-strand
- Measuring angles
- Bisecting an angle
- Constructing 60 degrees
- Constructing 90 degrees
- Constructing 30 and 45 degrees
- Constructing 120 and 105 degrees
- Multiples of 7.5 degrees
- Triangle given three sides
- Triangle given two sides and the included angle
- Triangle given two angles and a side
- Constructing a circle
- Constructions in real life