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If the dimensions of a rectangle are tripled, which of the following best describes theeffect on the rectangle?Reset buttoncompleting thisResetO The new area will be 2 times as large as the original

If the dimensions of a rectangle are tripled which of the following best describes theeffect on the rectangleReset buttoncompleting thisResetO The new area will class=

Respuesta :

Given:

If the dimensions of a rectangle are tripled.

Required:

which of the option best describes the effect on the rectangle?

Explanation:

Dimensions of rectangle are

[tex]A_1=length(l)\times breadth(b)[/tex]

If the dimensions of rectangle are tripled

[tex]\begin{gathered} A_2=3l\times3b \\ A_2=9(l\times b) \\ A_2=9A_1 \end{gathered}[/tex]

The original area is multiplied by 9.

Answer:

Hence, option D is correct.