Question

A farmer wants to grow grass on half of his square shaped field of side $13m$ and plough the remaining land. Find the area of land used up to grow the grass.

• A. $75m^2$
• B. $89.9m^2$
• C. $84.5m^2$
• D. $84.5m$

Answer 1

The correct option is C $84.5m^2$

Given:
The length of side of a square $=13m$.
Total area of a square $=s\times s=13\times 13=169m^2$.
Area of land used to grow grass is half of the total area of the field.
$\Rightarrow$ $\frac{169}{2}=84.5m^2$
Thus, the total area of land used by the farmer to grow the grass is $84.5m^2$.