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Content
Content
- Square
- Square Problems - Interactive Practice
- Rectangle
- Rectangle Problems - Interactive Practice
- Equilateral Triangle
- Isosceles Triangle
- Triangle Problems - Interactive Practice
- Circle
- Circle Problems - Interactive Practice
- Paralleogram
- Rhombus
- Trapezium
Square
Square
All sides are equal.
Each angle is 90°.
Diagonals bisect one another at 90°.
Area = side x side
Perimeter = 4 x side
Square problems - Interactive Practice
Square problems - Interactive Practice
Rectangle
Rectangle
Opposite sides are equal.
Each angle is 90°.
Area = length x breadth
Perimeter = 2 x (length + breadth)
Rectangle problems - Interactive Practice
Rectangle problems - Interactive Practice
Equilateral Triangle
Equilateral Triangle
All sides are equal.
Each angle is 60°.
Area = (1/2) x base x height
Isosceles Triangle
Isosceles Triangle
2 sides are equal.
Angles opposite to equal sides are equal.
Area = (1/2) x base x height
Triangle problems - Interactive Practice
Triangle problems - Interactive Practice
Circle
Circle
The distance from the centre to the edge of the circle is called radius.
Area = 3.142 x radius x radius
Circumference = 3.142 x diameter or
Circumference = 2 x 3.142 x radius
Circle problems - Interactive Practice
Circle problems - Interactive Practice
Parallelogram
Parallelogram
Opposite sides are parallel.
Diagonally Opposite angles are equal.
Diagonals bisect one another.
Area = base × height.
Rhombus
Rhombus
All sides are equal.
Opposite sides are parallel.
Diagonally Opposite angles are equal.
Diagonals bisect one another.
Area = base × height.
Trapezium
Trapezium
Only one pair of opposite sides are parallel.
Area = 1/2 × (sum of the parallel sides) x height.
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