2013 · Q63
The arc AB of the circle with centre at O and radius 10 cm has length 16 cm. What is the area of the sector bounded by the radii OA, OB and the arc AB?
Elementary MathematicsMensuration
- A40π sq cm
- B40 sq cm
- C80 sq cm
- D20π sq cm
Explanation
Area=(1/2)×10×16=80. Verified via ssbcrackexams/allen.in (true options 40π/40/80/20π). Answer C.