Question

If s denotes the length of the arc of a circle of radius r subtended by a central angle \theta , find the missing quantity.

s = 7.02 meters, \theta = 2.6 radians, r = ?
a. 0.37 m
b. 3.6 m
c. 1.35 m
d. 2.7 m ...?

Answer 1

The correct answer would be D. 2.7 m meters.

To solve this,
v=s/r
since we have s = 7.02 meters, \theta = 2.6
Then
7.02/2.6 = 2.7m

The correct answer is d. 2.7 m. This is the missing quantity which is the radian.

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