Question

please solve this sum ​

Answer 1

Breadth:- 2(150+b)=450mm

=>300+2b=450

=>2b=450-300

=>b=75mm

Now, area:- Length× breadth

=(150×75)mm

=11,250mm²

Answer 2

Answer:

Perimeter=450

Length=150

450-150=300

Breath=300

300/2=150

150/2=75

150×75=11,250