The length and breadth of a rectangle are in such a way that length is 3 more than the breadth.If the perimeter is 22 cm,the length and breadth is equal to

7 cm,4 cm respectively

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4 cm,7 cm respectively

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8 cm,5 cm respectively

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6 cm,3 cm respectively

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Solution

The correct option is A
7 cm,4 cm respectively

Let the breadth be x

length =x+3

The unchanging relation of perimeter is given by

P=2(l+b)

p=2[(x+3)+x]

P=2[2x+3]

22=4x+6

4x=22-6

4x=16

x=4

So,breadth is 4 cm

length is (4+3)=7 cm

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The length and breadth of a rectangle are in such a way that length is 3 more than the breadth.If the perimeter is 22 cm,the length and breadth is equal to

The correct option is A 7 cm,4 cm respectively Let the breadth be x length =x+3 The unchanging relation of perimeter is given by P=2(l+b) p=2[(x+3)+x] P=2[2x+3] 22=4x+6 4x=22-6 4x=16 x=4 So,breadth is 4 cm length is (4+3)=7 cm

The correct option is A
7 cm,4 cm respectively

Let the breadth be x

length =x+3

The unchanging relation of perimeter is given by

P=2(l+b)

p=2[(x+3)+x]

P=2[2x+3]

22=4x+6

4x=22-6

4x=16

x=4

So,breadth is 4 cm

length is (4+3)=7 cm