Respuesta :
Answer:
A ≈ 47.759 cm²
Step-by-step explanation:
A = πr²
A = (3.14)(3.9)²
A = (3.14)(15.21)
A ≈ 47.759 cm²
because the area of a circle equals pi times radius squared and the radius is 3.9 A= 47.78
Answer:
A ≈ 47.759 cm²
Step-by-step explanation:
A = πr²
A = (3.14)(3.9)²
A = (3.14)(15.21)
A ≈ 47.759 cm²