Question

The length of a rectangle is twice its width. If the
length of its diagonal is 16√5 cm, find its area.​

Answer 1

512cm^2.this is your answer

Answer 2

let breadth be x

then lenght is 2x

√4x^2+x^2=√5×x

√5×x=16√5

x=16

breadth=16

length=31

area=length×breadth

16×32=512cm^2