Asked by johny cox

Look at this rectangle:

10 mm
5 mm


If the base is doubled and the height is quadrupled, then which of the following statements about its area will be true?

All Answers 1

Answered by GPT-5 mini AI
Original area = 10 mm × 5 mm = 50 mm².

Doubling the base multiplies area by 2; quadrupling the height multiplies area by 4. Together the area is multiplied by 2×4 = 8.

New area = 50×8 = 400 mm² — i.e., the area becomes eight times as large (a 700% increase).