Math, asked by Anonymous, 9 months ago

The length of rectangle is 2 cm more than twice its breadth. Perimeter of the rectangle is 82 cm. Find its length and breadth. *


Answers

Answered by DarkSkeleton
1

ANSWER:-

Length=28cm and breadth=13cm

EXPLANATION:-

Let us consider the breadth of the rectangle as 'x'cm.

length=2+2x(2+twice its breadth)

Perimeter of the rectangle=2(l+b)

82cm=2(2+2x+x)

2+2x+x=82/2

2+3x=41

3x=41-2

3x=39

x=39/3

x=13

Therefore,breadth=13cm

length=2+2x=2+2(13)=28cm

HOPE IT HELPS!!..

Answered by amitnrw
0

Given : the length of a rectangle is 2cm more than twice its breadth . perimeter of the rectangle is 82 cm

To Find :  length and breadth

Solution:

length of a rectangle is 2cm more than twice its breadth

Let say Breadth = B cm

Length = 2B + 2   cm

Perimeter of rectangle = 2 ( Length + Breadth)

=> Perimeter = 2  (2B + 2 + B)

=> Perimeter = 2  (3B + 2)

Perimeter = 6B + 4  cm

perimeter of the rectangle is 28 cm

=> 6B + 4 = 82

=> 6B = 78

=> B = 13

Length = 2B + 2 = 2 * 13 + 2  = 28

Breadth = 13 cm

Length = 28 cm

Length = 28 cm  and Breadth = 13 cm

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