Question

write the mathematical equation for the perimeter of rectangle whose length is 5 more then breath ​

Answer 1

Step-by-step explanation:

Let the breadth of the rectangle be xcm

Then it's length=x+5cm

Perimeter=2(length+breadth)

⇒70=2(x+(x+5))

⇒

2

70

=2x+5

⇒2x+5=35

⇒2x=35−5=30

⇒x=

2

30

=15cm

Breadth=x=15cm and length=x+5=15+5=20cm

Answer 2

Answer:

2(x+5+x)

Step-by-step explanation:

Let breadth be x, then length is x+5

Now formula for perimeter of rectangle is 2(l+b)

So l is replaced by x+5 and breadth is replaced by x.

Thus this is your answer