Question

a verandah of width 3cm is constructed all along outside of a room of dimensions 4m × 3m find area of the verandah please do step by step​

Answer 1

Answer:

146 cm

Step-by-step explanation:

length of room =4m

breadth of room=3m

area= l×b

= 4×3

=12sq m

1m=100cm

4m =400cm

3 cm= 300 cm

length of verandah =400+3+3=406 cm

breadth of verandah =300+3+3=306 cm

area of verandah=ar of room - area of verandah

= 124224.

Answer 2

Step-by-step explanation:

4m = 400 cm 400 +3+3=406

3m= 300 cm. 300+3+3=306

400×300. 406×306

= 120000. -- =124236

=4236cm²