Question

Calcula el área total del cilindro recto de base circular. Altura: 20 cm Radio de la base: 25 cm ​

Answer 1

Respuesta:

$at = h(2r\pi) + 2(\pi {r}^{2}) \\ at = 20(2 \times 25 \times \pi) + 2(\pi \times {25}^{2}) \\ at = 1000\pi + 1250\pi \\ at = 2250\pi \\ at = 7068.583471 {cm}^{2}$