Question

an open box of 1 metre length,80cm width and 60 CM depth is made if the box is open at the top find the area of the cardboard sheet to quiet to make the box and the cost of cardboard sheet 1.35 sq cm​

Answer 1

Answer:

39960 rupees

Step-by-step explanation:

area of four walls = 2*h( l+ b)

= 2*60( 100+80) ( 1 m = 100cm)

=120* 180 = 21600cm sq

area of a side of box =l*b

= 100*80= 8000cm sq

then, total area= 21600+8000 = 29600 cm sq

therefore, the total cost of cardboard sheet = 29600*1.35 = 39960 rupees