Free account: track your progress — Sign up free

WAEC Mathematics 2018 Objective — Question 49

Question 49 of 50 from the West African Examinations Council (WAEC) Mathematics 2018 Objective paper, with the correct answer and a full explanation.

Advertisement

The diagonals of a rhombus WXYZ intersect at M. If |MW| = 5cm and |MX| = 12cm, calculate its perimeter.

  • A. 42cm
  • B. 48cm
  • C. 52cmCorrect
  • D. 60cm

Explanation

Rhombus diagonals bisect at right angles, so each side = √(5²+12²)=13cm. Perimeter = 4×13 = 52cm.

Advertisement

Sign up free to unlock

  • Score tracking
  • Practice history
  • Saved questions
  • Progress dashboard
  • Personalized sessions
  • Weak-topic breakdown

…and/or go further with premium services and No Ads.