Paper 2 · Mensuration
Rectangle M has sides (x+4) cm and (7-x) cm, where x=2,91 (3 s.f.). Write down the width of rectangle M, (7-x) cm, correct to the nearest millimetre.
Model answer
4,1 cm
Also accepted: 4.1 cm
Explanation: width=7-x=7-2,91=4,09≈4,1 cm.
Derived from ZIMSEC Mathematics Paper 2, June 1999, Q7
