what is the measure of the arc length subtended by a 210° angle with a radius of 4 cm?
A. 14.65 cm
B. 10.76 cm
C. 12.56 cm
D. 15.66 cm
A. 14.65 cm
B. 10.76 cm
C. 12.56 cm
D. 15.66 cm
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Answer:
14.65 cm (A)
Step-by-step explanation:
Arc Length = θr where θ = angle and r = radius.
Covert 210° into radians by multiplying π/180 which is equal to 7π/6.
Now plugging in the values, we get:
Arc Length = (7π/6)(4) = 14π/3 = 14(3.14)/3 = 14.65.
Hope this helps!
~~DeanGD20