twin-yes Trigonometry Homework: Section 3.2 Homework Score: 0 of 1 pt 3.2.33 Ash

Question

twin-yes Trigonometry Homework: Section 3.2 Homework Score: 0 of 1 pt 3.2.33 Ashleigh Vaughan 5/8/18 12:19 AM Sav 7 of 16 (5 complete) HW Score: 31.25%, 5 of 16 p Question Help The rotation of the smaller wheel in the figure causes the larger wheel to rotate Find the radius of the larger wheel in the figure if the smaller wheel rotates 70.0 when the larger wheel rotates 50.0° The radius of the large wheel is approximately cm (Do not round until the final answer. Then round to the nearest tenth as needed) Enter your answer in the answer hox and then click Check Answer

Explanation / Answer

smaller wheel radius =11.1cm, theta=70deg

in radians theta=70*pi/180

theta=7pi/18.

arc length=11.1*(7pi/18).

larger wheel r=?

theta=50 degree.

theta=50*pi/180

theta=5pi/18.

arc length=r*theta

77.7*pi/18=r*(5pi/18)

r=77.7/5=15.5cm

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