Find the area of the sector of a circle with radius 4 cm and angle 30°.

This question was previously asked in
SSC CGL 2022 Tier-I Official Paper (Held On : 06 Dec 2022 Shift 1)
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  1. 7.186 cm2
  2. 6.186 cm2
  3. 4.186 cm2
  4. 5.186 cm2

Answer (Detailed Solution Below)

Option 3 : 4.186 cm2
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SSC CGL Tier 1 2025 Full Test - 01
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Detailed Solution

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Given:

Radius = 4 cm

Angle = 30°

Concept used: 

Area = πr2 θ/360° 

Calculation: 

Area = πr2 θ/360°

⇒ 3.14 x 42

⇒ 3.14 x 

⇒ 4.186 cm2

∴ The area of the sector of a circle with radius 4 cm and angle 30° is 4.186 cm2

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