contestada

The area of a circle is 49π in². What is the circumference, in inches? Express your answer in terms of \piπ.

Respuesta :

area of circle =  π r²

π r²= 49 π

r²= 49             r= √49                  r= 7

circumference of circle = 2 π r

                                       = 2×7 × π

                                       = 14 π

naomia479

Answer:

14

Step-by-step explanation:

Otras preguntas