The area of a sector of a circle is 110 cm2 and the central angle of the…
2023
The area of a sector of a circle is 110 cm2 and the central angle of the sector is 56°,what is the radius of the circle? (Take π=22/7
- A.
35 cm
- B.
20 cm
- C.
25 cm
- D.
15 cm
Attempted by 1 students.
Show answer & explanation
Correct answer: D
Sector area = theta/360 x pi x r^2. So 110 = 56/360 x 22/7 x r^2, giving r^2 = 225 and r = 15 cm.