Question

a rectangular hall has 10 m length and 7m breadth. A carpet is spread in the center leaving margin of 1m near the walls.The area of uncovered floor is

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Answer 1

Step-by-step explanation:

uncovered sheet can be taken as 10-1 and 7-1

so

9m*6m=54m²is the ans mark as BRAINLIST and vote me and follow me

Answer 2

Answer:

Step-by-step explanation:area of the outer rectangle=length×breadth =10×7=70 sq.m

Area of the carpet .ie. Spread in the centre (area of the inner rectangle)= (l-2w)×( b-2w) =8×5=40sq.m .. area of the uncovered part =area of outer rectangle -area of the inner rectangle=70-40=30sq.m