Find the length of the chord |AB| in the diagram shown below.

By: |Published on: Jan 6|Categories: Mathematics WAEC| 0 comments

A. 4.2 cm
B. 4.3 cm
C. 3.2 cm
D. 3.4 cm

Correct Answer: Option D

D. 3.4 cm

Explanation

Length of chord = 2rsin(θ/2)
= 2(3)sin(68/2)
= 6sin34
= 6×0.559
= 3.354 cm ≊ 3.4 cm

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