Question

Area of a rectangle whose sides are 2a and 5a​

Answer 1

Answer:

According to question  

sides of rectangle  

2a , 2a , 3a , 3a

we know that,

Area of rectangle= length X breath     equation (1)

so,  

  let length = 3a

       breath = 2a

but the value of length and breath in equation (1)

therefore,  

   Area of rectangle = 3a X 2a  

                               = 6a^2   answer  

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Answer 2

Answer:

Area of rectangle is 10a^2.

Step-by-step explanation:

Given, length of the rectangle = 5a

breadth of the rectangle = 2a

Area of the rectangle = (length×breadth)

= (5a×2a)

= 10a^2

Hence, area of rectangle is 10a^2.