Perimeter and Area of Plane Figures
Triangle
Let 1. Perimeter 2. Semi-Perimeter 3. Area 4. Area |
![]() |
Right-angled Triangle
Let 1. Perimeter 2. Area 3. Hypotenuse |
![]() |
Isosceles Right – angled triangle
Let the equal sides be 1. Hypotenuse 2. Perimeter 3. Area |
![]() |
Equilateral Triangle
Let each of the side is 1. Perimeter 2. Height 3. Area |
![]() |
Isosceles Triangle
Let the equal sides be 1. Perimeter 2. Height 3. Area |
![]() |
Rectangle
Let the length 1. Perimeter 2. Area 3. Diagonal |
![]() |
Square
Let the side of the square 1. Perimeter 2. Area 3. Diagonal |
![]() |
Parallelogram
Let the two adjacent sides of the parallelogram be 1. Perimeter 2. Area |
![]() |
Rhombus
A parallelogram that has all the sides equal is called a rhombus. If 1. Side 2. Perimeter 3. Area |
![]() |
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 1. Area |
![]() |
Quadrilateral
If 1. Area |
![]() |