Question

The perimeter of a rectangular seet is 100cm. If the length is 35cm, find its breath . Also find the area

Answer 1

Answer:

Step-by-step explanation:

P=2(l+b)

100= 2(35+x)

100= 70+2x

15=x.

Area= l×b

=35×15

= 525cm^2

Answer 2

Step-by-step explanation:

perimeter of rectangle=2(l+b),let b=x

100=2(35+x)

100=70+2x

2x=100-70

2x=30

x=30/2=15

area=l×b

=35×15

=525cmsquare