Maybe if multiply 80 by 3 so you can find one of the answer then do it algebraic
Answer:
The area of shaded sector
Formula A = (θ / 360°) × πr²
θ=360°-140°=220°
r=18yd
We have A=(220/360)×3.14×(18)²
=621.72yd²
Area of sector is621.72yd².
Answer:
Its c i took the test
Step-by-step explanation:.