Track arc
Two straight tracks are at an angle 126°. They will join with a circular arc with a radius r=1110 m. How long will the arc be connecting these lines (L)? How far is the arc's center point from track crossings (x)?
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Try conversion angle units angle degrees, minutes, seconds, radians, grads.
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planimetricsgoniometry and trigonometryUnits of physical quantitiesGrade of the word problem
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