Question

find the total surface area of a closed cardboard box of length 0.5m, breadth 25cm and height 15 cm​

Answer 1

Answer:

2(0.5*25+25*15+0.5*15)

=790 ans

Answer 2

Answer:

(L)Length of cardboard box=0.5m =50cm

(B)Breath of cardboard box=25cm

(H) Height of cardboard box=15cm

Total surface area of cardboard box

→2 (LB + BH + HL)

→2 (50×25+25×15+15×50)

→2 (1250+375+750)

→2 (2375)

→4750cm²

I HOPE ITS HELPS YOU....