We know that each angle of a rectangle is right (i.e.
90∘) and its opposite sides are equal and parallel.
To construct a rectangle whose adjacent sides are of lengths 5cm and 3.5cm, use the following steps
(i) Draw a line segment BC of length 5cm.
(ii) Now, generate an angle of
90∘ at points B and C of the line segment BC and plot the parallel lines BX and CY at these points.
(iii) Cut AB and CD of length 3.5cm on BX and CY, respectively.
(iv) Draw an angle
90∘ at one of the point A or D and join both points by a line segment AD of length 5cm.
Thus, ABCD is the required rectangle with adjacent sides of length 5cm and 3.5cm.