Question

A rectangle has a height of 4x and a width of 3x+1 express the area

Answer 1

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Given,

Height or Length of rectangle= 4x

Breadth of rectangle= 3x+1

Now, we know that

Area of rectangle= Length×Breadth

= 4x(3x+1)

=${12x}^{2}+{4x}$

Hence, Area of given rectangle can be expressed as ${12x}^{2}+{4x}$.

This is the best possible answer

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Answer 2

Answer:

12x^2+4x

Step-by-step explanation:

Given that,

Length = l =4x

Breadth = b =3x+1

Area of rectangle = length × breadth

= l × b

= 4x(3x+1)

=12x^2+4x