Question

The breathed of a rectangle is increased by 2 cm. It's perimeter is now increased by what?​

Answer 1

Answer:

Let breadth of the rectangle be 'b' cm.

So length of the rectangle will be 'b+2' cm.

Now

Perimeter =48

2(l+b)=48

2(b+2+b)=48

2b+2=24

2b=22

b=11 cm

l=b+2=13 cm

Then,

Area of the rectangle =lb

                                     =13×11

                                     =143 cm2

Step-by-step explanation:

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