Question

The upper rectangular surface of a table is 200cm long and 50cm wide.
Find the cost of covering the surface completely with sunmica (in rupees),
if sunmica costs 25 paise per square cm. ​

Answer 1

Answer:

Length = 30m75cm = 3075 cm

Breadth = 80 cm

so , area of this rectangle = l × b

= 3075×80

= 30750×8

= 246000 cm ^2

= 2460 m^2

so , cost shall be ,

2460×150

369000 rupees

Answer 2

Answer:

Perimeter= 120cm=2(Length+width);

120=2(40+w);

60=40+w;

Width=60-40=20cm;

Surface area=length*width;

=40*20;

Surface area=80cm^2