Question

neelu wants to make the curtains for her window as s&own in figure the window is in the shape of a rectangle whose length and breadth are in ratio 2:3. if the area of the window 864 square inches
what is the shape of the window that is uncovered​

Answer 1

Answer:

The answer is given below

Thank You

Step-by-step explanation:

Let the 2 sides be x,y

Given perimeter =2

P=3x+2y=2

y=22−3x

area of the window is given by,

A=xy+43x2

A=x(22−3x)+43x2

A=x−23x2+43x2

dxdA=1−3x+23x

equate, dxdA=0

⇒1−x(3−23)=0

x=3−2