Question

the length of a rectangle is 15 cm more than its width. The perimeter is 150 cm. Find the dimensions of the rectangle​

Answer 1

Answer:

Answer is given below:

Step-by-step explanation:

Let the width of the rectangle be X

So, the length of the rectangle will be 15+X

A.T.P.

2(15+X+X)= 150

30+2X+2X= 150

30+4X= 150

4X=150-30

4X=120

X=120/4

X=30

So, the width of the rectangle is 30 and the length of the rectangle is 45.

Answer 2

Answer:

Let the width be x cm.

Therefore, length = x+15

Perimeter of rectangle= 2(l+b)

where l is length & b is breadth.

Perimeter = 2(x+15+x)

= 2(2x+15)

= 4x+30

And perimeter is given 150.

So, 4x+30= 150

4x= 150-30

4x= 120

x= 120 = 30

4

Therefore, breadth is 30 cm.

length is x+15....which means 15 cm more than breadth.

So, length is 30+15 = 45......

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