Relax

Respuesta :

ghanami
hello :
the area of a circle is : A= πr²..........r :  radius
in this exercice : r =1      A = π(1)² =π m²
circle area = 2pi r
2 times r times pi = 2m times pi
if pi= 3.14159265359
2 times pi = 6.28318530718 square m

A: 6.28318530718 square m


Otras preguntas