Question

The length of a rectangle, whose perimeter is 12 2
/5

m, is twice its breadth. Find its area.​

Answer 1

Step-by-step explanation:

Length=2×breadth.

Periemeter=2(length+breadth)

122/5 =2×3×breadth.

Breadth=122/5×2×3

=4.07 m(approx).

Leangth=2×4.07=8.14 m (approx).

Area of rectangle= l×b

=4.07×8.14

=33.1298 m^2 (approx).

Answer 2

Answer:

Area =1922/225

or = 8.542

Step-by-step explanation:

I hope 12 2/5 is a mixed fraction if so

12 2/5 =62/5

62/5= 12.4

x+x+2x+2x=62/5

6x=62/5

x=31/15

2x=62/15

Area of a rectangle is ( l*w )

Area =( x*2x)

Area= 31/15 * 62/15

Area= =1922/225