mcminor25 mcminor25

10-05-2022
Mathematics

contestada

the radius of a circle is 4 centimeters. what is the length of a 180 degrees arc?

Respuesta :

mathstudent55 mathstudent55

10-05-2022

Answer:

4π cm = 12.57 cm

Step-by-step explanation:

180 degrees is half of a circle, so the length of the arc is half of the circumference.

length = (2πr)/2 = πr = 4π cm = 12.57 cm

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