(a) Suppose a car is traveling north on “a” street and turns left onto Main Street. Which angle is this (angle number from picture)? What is the measure of the angle created by the car's turning? Explain your answer.

(b) Suppose a car is traveling south on “b” street and turns left onto Main Street. Which angle is this (angle number from picture)? What is the measure of the angle created by the car's turning? Explain your answer .

(c) Suppose a car is traveling north on “Main Street” and turns left onto “a” Street. Which angle is this (angle number from picture)? What is the measure of the angle created by the car's turning? Explain your answer