Question

A 5 m wide lawn is cultivated all along the outside of a rectangular plot measuring 90 m X 40 m. The total area of the lawn is :

• A. $1200m^2$
• B. $1300m^2$
• C. $1350m^2$
• D. $1400m^2$

Answer 1

The correct option is D $1400m^2$

Area of lawn is $=2(100\times 5+40\times 5)$

$=2(500+200)$

$=1400m^2$.