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Answer:
I did the figure
mark brainliest if comfortable :)
Answer:
12
Step-by-step explanation:
4x3=12
Answer:
8:3
Step-by-step explanation:
Divide each by 12 :)
Answer:
11.78 inches
Step-by-step explanation:
The chain travel will equal the length of the 225° arc on the central gear. Arc length (s) is given by the formula ...
s = rθ
where θ is the central angle in radians. We know that 180° is π radians, so the chain travel is ...
s = (3 in)(225°)(π/180°) = 15π/4 in ≈ 11.78 in