Question

•••A godown is 50 m long, 40 m broad and 10 m
high. Find the area of four walls.
(a) 1600 m
(b) 1800 m²
fc) 2000 m
(d) 1500 m​

Answer 1

Answer:

l=50m

b=40m

h=10m

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

=2(50+40)×10

=2×90×10

=2×900

=1800m sq.

Answer 2

Given:-

• Dimensions of godown is 50 m × 40 m × 10 m.

To Find:-

• Area of four walls of the godown.

Formula Used:-

• $2(L+B) \times H$

Solution:-

Here, Area of four walls of godown by using the formula,

⇒ $2(L+B) \times H$

⇒ $2(50+40) \times 10$

⇒ $180 \times 10$

⇒ $1800 \ m^{2}$

Hence, Area of four walls of godown is 1800 m².

Now, Area of four walls of godown without using formula:-

Since, The four walls of the godown is four rectangles.

Hence, Area of four walls of godown ⇒ 2 ( L × H ) + 2 ( B × H )

                                                              ⇒ 2 ( 50 × 10 ) + 2 ( 40 × 10 )

                                                              ⇒ 1000 + 800

                                                              ⇒ 1800 m²

Hence, Area of four walls of godown is 1800 m².