Question

if two squares of side 3cm is joined end to end ,then the perimeter of this figure will be​

Answer 1

Answer:

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Step-by-step explanation:

Two squares of side 9cm are attached together to form a rectangle of length 9+9=18cm

And the width remains same  

So the perimeter is 2(l+b)=2(18+9)=2(27)=54cm

Answer 2

Answer:

18cm

Step-by-step explanation:

All sides of a square are equal

Then,

All sides = 3 cm

When two square are joined of side 3cm

length = 3 + 3 cm

= 6 cm

breadth = 3 cm

The figure formed is a rectangle

Perimeter of rectangle = 2 (l + b)

= 2 ( 6 + 3 ) cm

= 2(9) cm

= 18 cm

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