Math, asked by adityagupta3760, 10 months ago

A thin wire 20 cm long is formed into a rectangle.if the width of this rectangle is 4 cm,what is its length?

Answers

Answered by alfientuty
2

Answer:

l = 6 cm

Step-by-step explanation:

p 2(l + b)

2(4+x)=20

8 + 2x =20

2x = 12

x =6

Answered by Arjun010
1

Answer:

The Lenght of rectangle is 6cm

Step-by-step explanation:

As the wire is formed Into a rectangle

The Perimeter of the rectangle is the Lenght of the wire that is 20cm

Thus we know breadth is 4cm

And formula for Perimeter of a rectangle is 2(l+b)

Where l and b are length and breadth of the rectangle

Using this here we get

=>2(4+l)=20

=>4+l=10

=>l=6, where l is the Lenght of the rectangle

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