Question

the length of a rectangle is 3 cm more than it 's breadth and it ' s perimeter is 50 cm find the length and breadth f the rectangle ?​

Answer 1

Answer:

Length = 14

Breadth = 11

Step-by-step explanation:

Formula of Rectangle = 2(l+b)

Let the breadth be = x

Let the length be = x+3

Now use the formula of a rectangle to solve

2(x+3+x)=50

I wrote 50 at the end since we know the perimeter and are trying to find it's length and breadth.

2(2x+3)=50

I now multiplied and solved the brackets

4x+6=50

I moved the numbers to the other side of the equation which changed its sign from '+' to '-'

4x=50-6

4x=44

Now I divided 44 by 4

x=44/4

x=11

length formula = x+3

11+3=14

breadth formula=x

11