If a chord of a circle of radius ‘r’ subtends a right angle at the centre of the circle, then the area of the corresponding segment is: [1]
A. \(\frac{\pi r^2}{4}-\frac{1}{2}\)r2
B. \(\frac{1}{2}\)r2
C. \(\frac{\pi}{4}\)r2
D. \(\frac{\pi}{2}\)r2 – \(\frac{1}{4}\)r2
Answer:A
If a chord of a circle of radius ‘r’ subtends a right angle at the centre of the circle, then the area of the corresponding segment is: [1]
A. \(\frac{\pi r^2}{4}-\frac{1}{2}\)r2 B. \(\frac{1}{2}\)r2 C. \(\frac{\pi}{4}\)r2 D. \(\frac{\pi}{2}\)r2 – \(\frac{1}{4}\)r2
Explanation: Area of segment APB