A rectangular noticeboard is 2.5 metres wide and 1.2 metres high. Enter its area in square metres.
الإجابة الصحيحة
3
الشرح
The area is 2.5 × 1.2 = 3 square metres. Adding 2.5 and 1.2 would give 3.7, but addition combines lengths and does not calculate rectangular area.