Respuesta :
circumference = 2 *pie* r
diameter = 2*r
r = 2.6
16.3 = 2 * 3.14 * 2.6
diameter = 2*r
r = 2.6
16.3 = 2 * 3.14 * 2.6
The diameter is used to find the circles circumference. It is found by C= πd (circumference equals pi times diameter)
16.3=3.14x5.2
16.3=3.14x5.2