Find the length of the chord |AB| in the di..

Question 1 Report

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

4.2 cm

4.3 cm

3.2 cm

3.4 cm

Answer Details

Length of chord = $2 r \sin (\frac{θ}{2})$
= $2 (3) \sin (\frac{68}{2})$
= $6 \sin 34$
= $6 \times 0.559$
= 3.354 cm $≊$ 3.4 cm