Mathematics

Problem

62. Multiple Choice A central angle in a circle of radius

r

has a measure of

\theta

radians. If the same central angle were drawn in a circle of radius

2 r

, its radian measure would be (A)

\frac{\theta}{2}

. (B)

\frac{\theta}{2 r}

. (C)

\theta

. (D)

2 \theta

. (E)

2 r \theta

. (A)

\frac{\theta}{2}

. (B)

\frac{\theta}{2 r}

. (C)

\theta

. (D)

2 \theta

. (E)

2 r \theta