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Mathematics 15 Online
lizbethponce:

A end-pivot irrigation pipe that is 113 feet long run with an arc length of 65 feet. How many degrees does the pipe pivot?

Mercury:

you're looking for the angle based on arc length. the pipe is acting as the radius that "sweeps" through the arc arc length = (angle in degrees/360) * 2 * pi * r solve for the angle

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