arrow
arrow
arrow
Find the area of a sector with a central angle of 150° in a circle with a radius of 12 cm.
Question

Find the area of a sector with a central angle of 150° in a circle with a radius of 12 cm.

A.

55π cm255\pi \, \text{cm}^2​​

B.

72π cm2 72\pi \, \text{cm}^2​​

C.

45π cm245\pi \, \text{cm}^2​​

D.

60π cm260\pi \, \text{cm}^2

Correct option is D

Given:

- Central angle (θ) = 150°
- Radius (r) = 12 cm 

Formula Used:
Area of Sector = (θ360)×πr2(\frac{θ }{ 360}) × πr² 

Solution:
Substitute the values into the formula:
Area of Sector = (150360)×π×(12)2(\frac{150 }{ 360}) × π × (12)²​​

Area of Sector = (150360)×π×144(\frac{150 }{360}) × π × 144 = 60 π\pi​​
The area of the sector is approximately  60 π\picm². 

Free Tests

Free
Must Attempt

RRB NTPC Graduate Level PYP (Held on 5 Jun 2025 S1)

languageIcon English
  • pdpQsnIcon100 Questions
  • pdpsheetsIcon100 Marks
  • timerIcon90 Mins
languageIcon English
Free
Must Attempt

RRB NTPC: Exam Day Based (Graduation) Mock 1

languageIcon English
  • pdpQsnIcon100 Questions
  • pdpsheetsIcon100 Marks
  • timerIcon90 Mins
languageIcon English
Free
Must Attempt

Making of the Constitution

languageIcon English
  • pdpQsnIcon10 Questions
  • pdpsheetsIcon10 Marks
  • timerIcon5 Mins
languageIcon English
test-prime-package

Access ‘RRB NTPC’ Mock Tests with

  • 60000+ Mocks and Previous Year Papers
  • Unlimited Re-Attempts
  • Personalised Report Card
  • 500% Refund on Final Selection
  • Largest Community
students-icon
259k+ students have already unlocked exclusive benefits with Test Prime!
Our Plans
Monthsup-arrow