kait68
contestada

How far does a point on a rolling pin travel after one complete revolution if the rolling pin has a radius of 3.8 centimeters?

How far does a point on a rolling pin travel after one complete revolution if the rolling pin has a radius of 38 centimeters class=

Respuesta :

calculista

Answer:

about [tex]23.9\ cm[/tex]

Step-by-step explanation:

step 1

Find the circumference

we know that

The circumference of a circle is equal to

[tex]C=2\pi r[/tex]

we have

[tex]r=3.8\ cm[/tex]

[tex]\pi=3.14[/tex]

substitute the values

[tex]C=2(3.14)(3.8)=23.9\ cm[/tex]

Otras preguntas