Question

Find the area of a rectangular plot, one side of which measures 70 m and the diagonal is 74 m.

Answer 1

Length $=70$ m

Diagonal $=74$ m

By pythagoras theorem,

Breadth $=\sqrt{{74}^2-{70}^2}=24m$

Hence, area of the plot $=lb=70\times 24=1680$ sq. m.