Paper 2 · Mensuration
Rectangle M has sides (x+4) cm and (7-x) cm, where x=2,91 (3 s.f.). Write down the length of rectangle M, (x+4) cm, correct to the nearest millimetre.
A4,1 cm
B6,8 cm
C6,9 cm
D7,0 cm
Explanation: length=x+4=2,91+4=6,91≈6,9 cm.
Derived from ZIMSEC Mathematics Paper 2, June 1999, Q7
