Answers

2016-01-29T14:14:03+08:00
Arc length=2πR C360 3.16(2)12
0.785\
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  • Brainly User
2016-01-29T15:51:51+08:00
Arc length of QR = θ (π/180°) (radius)

Arc length = 45° (3.14/180°) (12 cm)
                  = 4 (3.14) (12 cm)
                  = 150.72 cm

ANSWER:  150.72 cm
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