Geometryhard · Past Paper
If the arc length of a circle is 1/4 of its circumference, what is the angle subtended at the center?
A45 degrees
B90 degrees
C180 degrees
D270 degrees
✓ Correct Answer: B — 90 degrees
An arc that is 1/4 of the circumference represents 1/4 of the total center angle (360/4 = 90).
Share this question
More from Geometry
- Find the area of the segment of a circle of radius 14 cm if the central angle is 90 degrees.
- What is the distance between the points (a cos theta, a sin theta) and (0, 0)?
- The angle subtended by a major arc at the center is 250 degrees. What is the angle subtended by the minor arc at the center?
- If the sum of the areas of two circles with radii r1 and r2 is equal to the area of a circle of radius R, then:
- In the given figure, if angle BOC = 100, find angle BAC. (O is center)