Area, SM-Bank 025 MC

Mark decides to make the paddock on his farm bigger.

The paddock is in the shape of a rectangle.

Mark makes both the length and the width of the paddock 3 times longer.

How many times bigger is the area of the new paddock than the original paddock?

Show Answers Only

\(D\)

Show Worked Solution

\(\text{Area of original paddock}=l\times b\)

\(\text{Area of new paddock}\)	\(=3l\times 3b\)
	\(=9\times (l\times b)\)
	\(=9\times \text{Area of original paddock}\)

\(\Rightarrow D\)