Answer:
The area of the triangle = 31.5 feet² ⇒ answer (c)
Explanation:
∵ Area of any Δ = 1/2 (side 1)(side 2)(sin the angle between them)
∴ The area of the Δ = 1/2 (b)(c) sin(∠A)
∵ b = 11 feet
∵ c = 10 feet
∵ m∠A = 35°
∴ Area of the Δ = 1/2 (11)(10) (sin(35)) = 31.547 feet²
∴ The area of the triangle = 31.5 feet²
∴ The answer is (c)