The area in cm2 of a sector of a circle with radius 6 cm if angle of the sector is 60∘ is _________
19.5
20.1
25.9
18.8
Area of the sector of angle θ= θ360 × π r2
Area = 60360 × 3.14 × 62 = 18.85 cm2
The area of a sector (in cm2 )of a circle with radius 6 cm if angle of the sector is 70∘ will be __ cm2. ( Take π = 227)
State true or false. The area in cm2 of a sector of a circle with radius 6 cm and angle of the sector 60∘ is 20.