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When Two Railroad Tracks Merge, the Overlapping Portions of the Tracks

Question 28

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When two railroad tracks merge, the overlapping portions of the tracks are in the shapes of circular arcs (see figure) .The radius of each arc r (in feet) and the angle θ are related by ​ When two railroad tracks merge, the overlapping portions of the tracks are in the shapes of circular arcs (see figure) .The radius of each arc r (in feet) and the angle θ are related by ​ ​ Write a formula for x in terms of cos θ. ​ ​ A) ​ B) ​ C) ​ D) ​ E) ​ ​
Write a formula for x in terms of cos θ.
​ When two railroad tracks merge, the overlapping portions of the tracks are in the shapes of circular arcs (see figure) .The radius of each arc r (in feet) and the angle θ are related by ​ ​ Write a formula for x in terms of cos θ. ​ ​ A) ​ B) ​ C) ​ D) ​ E) ​ ​


A) ​ When two railroad tracks merge, the overlapping portions of the tracks are in the shapes of circular arcs (see figure) .The radius of each arc r (in feet) and the angle θ are related by ​ ​ Write a formula for x in terms of cos θ. ​ ​ A) ​ B) ​ C) ​ D) ​ E) ​
B) ​ When two railroad tracks merge, the overlapping portions of the tracks are in the shapes of circular arcs (see figure) .The radius of each arc r (in feet) and the angle θ are related by ​ ​ Write a formula for x in terms of cos θ. ​ ​ A) ​ B) ​ C) ​ D) ​ E) ​
C) When two railroad tracks merge, the overlapping portions of the tracks are in the shapes of circular arcs (see figure) .The radius of each arc r (in feet) and the angle θ are related by ​ ​ Write a formula for x in terms of cos θ. ​ ​ A) ​ B) ​ C) ​ D) ​ E) ​ ​
D) When two railroad tracks merge, the overlapping portions of the tracks are in the shapes of circular arcs (see figure) .The radius of each arc r (in feet) and the angle θ are related by ​ ​ Write a formula for x in terms of cos θ. ​ ​ A) ​ B) ​ C) ​ D) ​ E) ​ ​
E) When two railroad tracks merge, the overlapping portions of the tracks are in the shapes of circular arcs (see figure) .The radius of each arc r (in feet) and the angle θ are related by ​ ​ Write a formula for x in terms of cos θ. ​ ​ A) ​ B) ​ C) ​ D) ​ E) ​ ​

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