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 image of point (1, 2) when reflected across the x-axis.
- If three angles on a straight line are x, 2x, and 3x, what is the value of x?
- The area of a triangle with side lengths a, b, and c is 24. If all sides are doubled, what is the new area?
- If two tangents inclined at an angle of 60 degrees are drawn to a circle of radius 3 cm, then the length of each tangent is:
- If the slope of line AB is undefined, then line AB is: