Area can be defined as the size of a given surface. The area of a shape can be measured by comparing the shape to squares of a fixed size. The standard unit of area is the square metre (m2) given by the In the International System of Units (SI).
Area of Plane Shapes
Area of Rectangle
Area of rectangle is the multiplication of the length and width of the rectangle.
A= L x W
Area of Square
The area of square is the square of the length of a side.
A= a²
Area of a Triangle
Area of a triangle is the half of the product of base and height.
A= (b x h)/2
Area of Trapezoid
The area of trapezoid is given by:
A=h.[(a + b)/2]
Where, a and b are the two bases of trapezoid, h is the height.
Area of Parallelogram
Area of parallelogram is the multiplication of the base and height of parallelogram.
A= b x h
Area of Circle
The area of circle is the product of π to the square of radius.
A = πr²
Area of Ellipse
Area of ellipse is given by:
A = πab
Where, a is the major axis and b is the minor axis.