Question

. The perimeter of a rectangle is 130 cm. If the breadth of the rectangle is 30 cm,
find its length. Also find the area of the rectangle.

Answer 1

Step-by-step explanation:

breadth = 30

length = x

perimeter of rectangle = 2(length+breadth)

130 = 2(x+30)

130 = 2x + 60

130 - 60 = 2x

70 = 2x

x = 70/2

x = 35 cm (length)

area of rectangle = length × breadth

= 35 × 30

= 1,050 cm²

Answer 2

Answer :- Length = 35 cm and Area of the Rectangle = 1050 cm square

Explanation :-

Perimeter of a Rectangle = 130 cm

Breadth = 30 cm

now, Perimeter of a Rectangle = 130 cm

=> 2( l + b ) = 130 cm

=> 2( l + 30 ) = 130

=> 2l + 60 = 130

=> 2l = 130 - 60

=> 2l = 70

=> l = 35 cm

Therefore, Length = 35 cm

Area of a Rectangle = l * b

= 35 * 30 = 1050 cm square

Hope this helps you.

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