Question

ractangular field is 20 m long and 16 m broad A lawn is lead in the center leaving 2 me broad path all around find the area of the inner lawn and the path the path to be paved rupees 20 per square metres find the cost of paving the path

Answer 1

Area of the rectangular field
= l × b
= ( 20×16)m2
=320 m2
the area of the inner loan
= (20--4) × ( 16-- 4) m2
=(16 × 12) m2
= 192 m2
now,
the cost of paving of 1 Sq m = rs 20 the cost of paving the path= rs( 192 ×20)
= rs 3,840