Perimeter and Area of Plane Figures
| Triangle
Let denotes the sides of the Triangle. Then: 1. Perimeter 2. Semi-Perimeter 3. Area 4. Area |
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| Right-angled Triangle
Let be the base, be the height (or perpendicular) and be the Hypotenuse. Then, 1. Perimeter 2. Area 3. Hypotenuse |
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| Isosceles Right – angled triangle
Let the equal sides be . 1. Hypotenuse 2. Perimeter 3. Area |
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| Equilateral Triangle
Let each of the side is . Then 1. Perimeter 2. Height 3. Area |
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| Isosceles Triangle
Let the equal sides be . Let the base be . Then 1. Perimeter 2. Height 3. Area |
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| Rectangle
Let the length and breadth . Then 1. Perimeter 2. Area 3. Diagonal |
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| Square
Let the side of the square . Then 1. Perimeter 2. Area 3. Diagonal |
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| Parallelogram
Let the two adjacent sides of the parallelogram be and 1. Perimeter 2. Area |
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| Rhombus
A parallelogram that has all the sides equal is called a rhombus. If and are the diagonals, then 1. Side 2. Perimeter 3. Area |
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| Trapezium
A trapezium is a quadrilateral two of whose sides are parallel. A trapezium whose non-Parallel Sides are equal is known as an isosceles trapezium. Let and be the parallel sides and be the distance between the parallel sides. Then 1. Area |
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| Quadrilateral
If and are the perpendicular distances from the diagonal of the quadrilateral from the vertices and respectively. Then, 1. Area |
This post first appeared on Icse Mathematics « MATHEMATICS MADE EASY FOR STUDENTS, please read the originial post: here
