Question

length of rectangle is 1cm more than its width and it's perimeter is 14cm. then the area of the rectangle is
A) 16cm²
B) 12cm²
C) 48.75cm²
D) 10cm²​

Answer 1

Answer:

C. 12cm^2

Step-by-step explanation:

Let the width of the rectangle is x cm

Then length of the rectangle =x+1 cm (given length of rectangle is 1 cm more then width

So perimeter of rectangle =2(length+width)=2(x+1+x)=2(2x+1)

But perimeter = 14 cm (Given)

∴2(2x+1)=14⇒2x+1=7⇒2x=7−1⇒x=3

Then wigth =3 cm and length=3+1=4 cm

∴areaofrectangle=length×wigth=4×3=12cm

2

Answer 2

Answer:

C) 48.75cm^2.

Step-by-step explanation:

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