Question 16
In the figure, AC is 10 cm, BD is 15 cm and AD is 22 cm. Find the length BC.
Editorial note: the given lengths use centimetres, while the original options use metres. Calculate BC and explain this inconsistency. Manual scoring.
Original source options (retained):
(A) 1 m; (B) 2 m; (C) 3 m; (D) 4 m; (E) 5 m
Editorial format note: this essay examines the source wording and its assumptions. The original choices are retained for comparison.
Editorial note: the given lengths use centimetres, while the original options use metres. Calculate BC and explain this inconsistency. Manual scoring.
Original source options (retained):
(A) 1 m; (B) 2 m; (C) 3 m; (D) 4 m; (E) 5 m
Editorial format note: this essay examines the source wording and its assumptions. The original choices are retained for comparison.