Question

find the perimeter of a rectangular hall 30m long if length of the hall is double its breath ​

Answer 1

Answer:

we know that

perimeter of rectangle is 2(l+b)

Step-by-step explanation:

so, Given is

l=30m

b=l/2

b=30/2=15

then

we find perimeter

2(l+b)

2(30+15)

2*45=90

ans- 90m

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