Question

the length of rectangle is 1cm more twice its breadth if its perimeter is 50 cm find length breadth and area of rectangle​

Answer 1

Answer:

→Let the breadth of the rectangle is b cm.

→So, the length of the rectangle is 2b cm.

→We know that,perimeter of rectangle =2(l+b)

→Since, perimeter of rectangle is 120 cm.

→Therefore,

6b = 120

b = 20 cm

And l=40 cm

→So, the area of rectangle is

=20×40=800 cm²

→Hence,

the length is 40 cm, breadth is 20 cm and area is 800 cm².

$\huge \green{ \boxed{ 800 cm²}}$

Answer 2

Answer:

length-17 , breadth-8

area - 136

Step-by-step explanation:

breadth = x

length = 2x+1

perimeter = 2(l+b)

50 = 2(2x+1+x)

50 = 2(3x+1)

50 = 6x+2

6x = 50-2

6x = 48

x = 48/6

x = 8

breadth = x

= 8 cm

length = 2x+1

= 2×8+1

= 16+1

= 17 cm

Area = l×b

= 17×8

= 136 cm^2

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