im learning about radian and degree measurements and im not so good at word problems... is there anyone out there that can help me with the following?...

assume that the planet venus travels around the sun in a circular orbit. the radius of the orbit is 6.7 x 10^7 mi and the time needed to make one revolution is 243 earth days.

a. determine the angle, in radians, that venus moves through in 1 earth day.

b. determine the distance that venus travels in 1 earth day.

someone please help!!!!