Question

The length, breadth, height of wooden box are 25x15x10cm. Find surface

area of vertical faces.​

Answer 1

Answer:

Inner dimensions are 10−2, 8−2 and 5−1

i. e., 8 cm, 6 cm. and 4 cm.

∴ Outer surface =10×8+2×5(10+8)=80+180=260cm

2

and inner surface =8×6+2×4(8+6)=48+112=160cm

2

∴ Total surface area of the box =260+160=420cm

2

Answer 2

Answer:

3750 cm2

Step-by-step explanation:

length = 25 cm

breadth = 15 cm

height = 10 cm

area = l×b×h

= 25 × 15 × 10

= 3750 cm2

then the area wooden is 3750 cm2