Question

Q.3 Solve any three sub-questions:-
9
1) How much sheet metal is required to make a closed rectangular box of length 5 cm,
breadth 3.5 cm and height 1.4 cm ?
A​

Answer 1

Answer:

58.8cm^2

Step-by-step explanation:

length=5cm

breadth=3.5cm

height=1.4cm

lh=5*1.4=7

bh=3.5*1*4=4.9

lb=5*3.5=17.5

aarea of sheet rrequires=2(lh+bh+lb)

=2(7+4.9+17.5)

=2(29.4)

=58.8cm^2