(Score for Question 1: ___ of 6 points) 1. Write a paragraph proof for the following conjecture. Given: QS bisects ∠PQR . m PQS ∠ =° 45 . Prove: PQR is a right triangle

Two cities a and b are 1400km apart and lie on the same n-s line. the latitude of city a is 23 degrees. what is the latitude of city b. the radius of the earth is approximately 6400km.