Respuesta :

sqdancefan

9514 1404 393

Answer:

  113.1 m²

Step-by-step explanation:

The surface area of the cone is ...

  SA = πr(r +s) . . . . . . where r is the radius and s is the slant height

  SA = π(4 m)(4 m + 5 m) = 36π m² ≈ 113.1 m²

The surface area is about 113.1 m².

Otras preguntas