Question

the perimeter of a square shape room is 40 m . find the cost of floring at the rate of rs. 12 per square metere​

Answer 1

For flooring first we need find the area

For area we need to find the side

perimeter=4a

40=4a

a=40/4=10m

area =a²

=10²=100m²

rate for 1m²=12

for 100m²=12×100=1200

1200rs needed for flooring the tiles