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Area of triangles, parallelograms, kites and trapeziums
Area of Triangles, Parallelograms, Kites and Trapeziums
10.2
Area of Triangles, Parallelograms, Kites and Trapeziums
Estimate the area of various shapes:
(i) Using a grid with equal squares of sides
\(1\text{ unit}\)
Example
(ii) Drawing lines
\(1\text{ unit}\)
apart
Example
The formulae for the area of various shapes:
(i) The area of a triangle
\(\begin{aligned} \text{Area} &=\dfrac{1}{2}ab \end{aligned}\)
(ii) The area of a paralellogram
\(\begin{aligned} \text{Area} &=ab \end{aligned}\)
(iii) The area of a kite
\(\begin{aligned} \text{Area} &=\dfrac{1}{2}ab \end{aligned}\)
(iv) The area of the trapezium
\(\begin{aligned} \text{Area} &=\dfrac{1}{2}(a+b)t \end{aligned}\)
Area of Triangles, Parallelograms, Kites and Trapeziums
10.2
Area of Triangles, Parallelograms, Kites and Trapeziums
Estimate the area of various shapes:
(i) Using a grid with equal squares of sides
\(1\text{ unit}\)
Example
(ii) Drawing lines
\(1\text{ unit}\)
apart
Example
The formulae for the area of various shapes:
(i) The area of a triangle
\(\begin{aligned} \text{Area} &=\dfrac{1}{2}ab \end{aligned}\)
(ii) The area of a paralellogram
\(\begin{aligned} \text{Area} &=ab \end{aligned}\)
(iii) The area of a kite
\(\begin{aligned} \text{Area} &=\dfrac{1}{2}ab \end{aligned}\)
(iv) The area of the trapezium
\(\begin{aligned} \text{Area} &=\dfrac{1}{2}(a+b)t \end{aligned}\)
Chapter : Perimeter and Area
Topic : Area of triangles, parallelograms, kites and trapeziums
Form 1
Mathematics
View all notes for Mathematics Form 1
Related notes
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Relationship between Perimeter and Area
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Rational Numbers
Factors, Prime Factors and Highest Common Factor (HCF)
Multiples, Common Multiples and Lowest Common Multiple (LCM)
Squares and Square Roots
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