Skip to content
free
K
1
2
practice
Home
Math
English
Science
Social Studies
Contact
Language
English
Español
Sign In
/
College Test Prep
/
ACCUPLACER
/
Radian Measure, Arc Length, and Angular Motion
Grade Level
ACCUPLACER
AAF.197 Radian Measure, Arc Length, and Angular Motion
0%
Skill Level
🔴 Hard
00:00
Progress to Next Level
25% to Medium
Easy
Medium
Hard
Mastery
100%
An arc of length 9π/2 lies on a circle with radius 4. What is the central angle in degrees?
A
180°
B
202.5°
C
101.25°
D
405°
Submit Answer