Question

if the length of perimeter is 2.5m and breadth is x m and perimeter of the rectangle is 800 cm find x​

Answer 1

Answer:

length = 2.5 m

breadth = x

perimeter = 800cm = 8m

perimeter of rectangle= 2(l+b)

8= 2(2.5 + x )

4= 2.5 + x

4 -2.5 = x

1.5m= x

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Answer 2

Answer:

Perimeter = 2(l+b)

800cm= 2( 2.5m + x meter )

8m = 5 meter + 2x meter

3m = 2x meter

x = 1.5 meter = breadth