Question

The length of a rectangle is 5 cm more than the breadth. If the perimeter of the
rectangle is 40 cm, find the area of the rectangle.

Answer 1

Answer:

Let the breadth be x cm

length=x+5 cm

perimeter =2 (l+b)=

2 (x+5+x)=4x+10 cm

4x+10=40

4x=30

x=30/4=7.5

so breadth=7.5 cm ; length=12.5 cm

area=l×b= 12.5×7.5=93.75

so area is 93.75 cm square

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Step-by-step explanation: