Circumference = 2*pi*3.5 = 21.99114858 or 22 inches to the nearest inch.
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The wheel's circumference is: 219.9 centimeters.
Assuming the 9 inches is from the pivot point to the tip of the minute hand: In 1 hour = 60 minutes the tip of the minute hand sweeps out the circumference of a circle with radius 9 inches. In 35 minutes, it sweeps out a fraction on 35 minutes/1 hour of this. The circumference of a circle is given by circumference = 2 × π × radius Therefore the tip of the minute hand moves: length = 35/60 × 2 × π × 9 in → length = 21/2 π in = 10½ π in ≈ 33.0 in
Circumference = 50 pi. Length of arc = 50 pi x 35/360 = 175 pi/36 ie close to 15.27 inches.
A 35-cm diameter circle has a circumference of: 110 cm