Respuesta :

Answer:

Step-by-step explanation:

1) radius = 70 m

Perimeter of a circle = 2 * radius * 3.14 = 70 * 2 * 3.14 = 439,6 m

Total perimeter = 439.6 + (100 * 2) = 439,6 + 200 = 639.6 m

2) perimeter of a semi circle = radius * 22/7 = 7 * 22/7 = 22 cm

Otras preguntas