The post office is at the corner of first street and main street, which forms a right angle. first street intersects with oak street to the north, and main street intersects with oak street to the east. the intersection of main street and oak street forms a x° angle, and tan x° = 7/5. car a drives on main street for 10 miles to arrive at oak street. how far will car b have to travel on first street to get to oak street? a. 7.14 miles b. 14 miles c. 20 miles d. 28.14