Question

17. The cost of painting a rectangular metal sheet is square of its area. If the length and breadth of
the rectangle are 2xy and 3r y, find the cost Given that area of a rectangle is the product of its
length and breath.​

Answer 1

Answer:

Given,

The Length of the rectangle = 2xy

The breadth of the rectangle =3x2y

Cost of the rectangular metal sheet = Square of the area of the rectangular sheet.

The area of a rectangle = Length × breadth

                                         = 2xy×3x2y

                                         = 6x3y2

Thus,

Cost of the rectangular metal sheet = Square of the area of the rectangular sheet

                                                           =(6x3y2)2. 

                                                           =6x3y2.6x3y2. 

                                                           =36x6y4.

Step-by-step explanation:

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Answer 2

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$2xy \: and \: 3r y =$

$6rxy^{2}$

Then AREA =

$6rxy^{2} \times 6rxy^{2}$

$=$

$36r^{2} x^{2} y^{4}$

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