Question

how many tiles measuring 20 cm * 20 cm It will be required to prepare 1.5 m wide Footpath around a grassy plot of 25 m *


16 m

Answer 1

the length of the grassy plot = 25m = 2500cm
the breadth of the grassy plot = 16m = 1600cm

the area of the grassy plot = L×b
=2500×1600
=4000000cm
=40000m

the length include the footpath = 2500cm+150cm
= 2650cm

the breadth include the footpath = 1600cm+150cm
= 1759cm

the area of the foothpath and grassy plot
= 1759×2650
=4661350cm

the area of the foothpath
=4661350-4000000cm
=661350cm

the no of titles required
= 661350cm÷2400cm
=275.5625
=276 titles required