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Algebraic Processes | Week 14 Topics1 Quiz
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Simplification of Algebraic Expressions | Week 24 Topics1 Quiz
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Simplification of Algebraic Expressions 2 (Use of Brackets) | Week 34 Topics1 Quiz
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Simple Equations | Week 41 Topic1 Quiz
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Simple Equations II | Week 53 Topics1 Quiz
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Plane Shapes I | Week 65 Topics2 Quizzes
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Plane Shapes II | Week 77 Topics1 Quiz
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Plane Shapes III | Week 87 Topics1 Quiz
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Decimals and Percentages I | Week 92 Topics1 Quiz
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Decimals and Percentages II | Week 103 Topics1 Quiz
Lesson Progress
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Topic Content:
- Perimeter of a Triangle
Scalene Triangle:
A scalene triangle has none of its three sides equal.
The perimeter of a triangle \( \scriptsize \Delta abc = ab \: + \: bc \: + \: ca \)
Isosceles Triangle:
An isosceles triangle has two equal sides
The perimeter = a + a + b
= 2a + b
Equilateral Triangle:
An equilateral triangle has all sides equal.
Perimeter = a + a + a
= 3a