Question

The length of a rectangle is twice its breadth. If its perimeter is 60 cm, find the length (3)

and the breadth of the rectangle.
with explanation ​

Answer 1

Answer:

breadth of the rectangle=x

length of the rectangle=3×x

=3x

Perimeter of the rectangle= 2×(L+B)

BTP => 2×(X+3X)=60

=> 2×4X=60

8X =60

X=60 ÷8 = 7.5 cm

The breadth of the rectangle =7.5 cm

The length = 7.5×3 = 22.5 cm .

Step-by-step explanation:

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Answer 2

Answer:

•Let the breadth be x

• Length = 2x

* Perimeter qiven = 60 cm

Perimeter of Rectangle = 2( length+breadth )

60 cm = 2× ( 2x +x )

60 cm = 2× 3x

60/2 = 3x

30 = 3x

x= 30/3

x = 10

Length = 2x = 2×10

= 20 cm

Breadth = x

= 10

Check : perimeter of Rectangle = 2(length + breadth)

= 2×(20+10)

= 2×30

= 60 cm

Perimeter = 60 cm it is correct verified