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The length of rectangle is 1 cm. more th...

The length of rectangle is 1 cm. more than its width. Its perimeter is 14 cm. The area of the rectangle is

A

`16cm^(2)`

B

`15cm^(2)`

C

`12cm^(2)`

D

`10cm^(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
Suppose the length the length of rectangle =x cm
According to question
`2(x+x-1)=14`
`rArr 4x-2=14`
`rArr 4x=16`
`:.x=4`
Area `=x(x-1)`
`=4xx3=12` sq cm
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