Solution :
Rectangle :
A closed planar quadrilateral with opposite sides of equal lengths a and b, and with four right angles. A square is a degenerate rectangle with a=b.
The area of the rectangle is
A=a*b
Let
Breadth - 0.8 Lenth 2.5
The area of the rectangle is A=a*b
= .8*2.5
= 20 cm2
The term perimeter refers either to the curve constituting the boundary of a lamina or else to the length of this boundary.
The perimeter of a circle is called the circumference, although that term is used by some authors to refer to the perimeter of an arbitrary curved geometric figure.
P = 2(.8+2.5)= 2(3.3)= 6.6
the perimeter of a rectangle is 6.6 cm2
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