contestada

A circle with circumference 20 has an arc with a 72 degree central angle. What is the length of the arc?

Respuesta :

karkismriti176

Answer:

4

Step-by-step explanation:

circumference = 2πr

or, 20 = 2π r

or, π r = 10

or, r= 10/π

72 ° = 2π/5

length of arc = r∅ = 10/π × 2π/5

= 4

Otras preguntas