Question

A park's lawn is to be mowed. Using the given diagram, the area of the lawn can be calculated to be .

• A. 228 sq.m
• B. 198 sq.m
• C. 238 sq.m
• D. 178 sq.m

Answer 1

The correct option is B 198 sq.m

The lawn as given in the diagram is:


It can be divided into two rectangles as follows:


So, total area of the lawn will be:
⇒ Area of blue rectangle + Area of red rectangle

Now, the area of a rectangle can be calculated as:
$Area=Length\times Breadth$.

So, area of the blue rectangle is:
$=12m\times 14m=168sq.m$

And, area of red rectangle is:
$=6m\times 5m=30sq.m$


∴ Total area of the lawn will be
⇒ Area of blue rectangle + Area of red rectangle
$\Rightarrow 168sq.m+30sq.m=198sq.m$

So, the lawn's total area is 198 sq.m.