1. All numbered streets runs parallel to each other. Both 6rd and 7th Streets are intersected by Pirate Ave. as shown:
(a) Suppose a car is traveling east on 6th Street and turns onto Pirate Avenue heading northeast. What is the measure of the angle created by the car's turning? Explain your answer.
(b) Suppose a car is traveling southwest on Pirate Avenue and turns left onto7th Street. What is the measure of the angle created by the car's turning? Explain your answer.
(c) Suppose a car is traveling northeast on Pirate Avenue and turns right onto 7th Street. What is the measure of the angle created by the car's turning? Explain your answer.
2. In the figure, ∠9 is an exterior angle to △SUT.
(a) Explain why m∠9 is equal to the sum of the measures of the two nonadjacent interior angles.
(b) What is m∠9?
Answer:
3. Triangle RST has angle measures as shown.
(a) What is the value of x? Show your work.
(b) What is the measure of angle S? Show your work.
Answer:
