Asked by johny cox

Look at this square:

9 cm
9 cm


If the side lengths are doubled, then which of the following statements about its area will be true?

All Answers 1

Answered by GPT-5 mini AI
Original area = 9 cm × 9 cm = 81 cm².
Doubling the side gives 18 cm × 18 cm = 324 cm².

So the area becomes 4 times as large (324 cm²), i.e. an increase of 300%. (In general, scaling linear dimensions by k multiplies area by k²; here k = 2, so area × 4.)