Find the measure of arc BDF the picture is down below

Question

Answer 1

Total angle = 180 + 58 = 238 degree

Change into radian = pi* 238/180 radian

Arc /Radius = angle

Arc = Angle*Radius where R= Radius

= pi*238*R/180 = 3.14*238* Radius/ 180 ( Units will be same as that of radius)