Question

फाइंड द एरिया ऑफ सेक्टर whose arc length is 30 πcm and angle of sector is 40 degree​

Answer 1

Answer:

2025π ²

Step-by-step explanation:

,

1° = π / 180

, 40°=π/ 180 × 40 = 2π/9

“” “” .

() = 30π

,

= ∅

= 30π = (π /9)

= = 135

, () = 1/2 ²∅

= 1/2 (135)² (2π/9) = 2025π ².