Question

find perimeter of rectangle​

Answer 1

Answer:

I think answer is 97.5

Step-by-step explanation:

Because the perimeter of rectangle is 2x(l+b)=5+5 x2 =20, 1950 ÷20 =97.5

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Answer 2

Answer:

Given:

Length of the rectangle is 5cm more than twice of its breadth.

To find:

Perimeter of the rectangle

SOLUTION:

Let, breadth of the rectangle= xcm

Length of the rectangle = 2×x+5= (2x+5)cm

Area of the rectangle: (l×b) = 2x^2+5=1950

• 2x^2+5-1950=0

By quadratic formula:

Refer the above attachment

We got x= 30

Then, breadth of the rectangle= 30cm

Length of the rectangle = (2x+5) = 65cm

perimeter of the rectangle = 2(l+b)

• 2(65+30)
• 2(95)
• 190cm

So, perimeter of the rectangle=190cm