A'B'C is a rotation of ABC 180 degrees about the orgin. What is the length of A'C' ? A. 3 units
B. 4 units
C. 6 units
D. 13 units

Two fire-lookout stations are 190 miles apart, with station a directly south of station b. both stations spot a fire. the bearing of the fire from station a is upper n 55 degrees upper e and the bearing of the fire from station b is upper s 60 degrees e. how far, to the nearest tenth of a mile, is the fire from each lookout station?

Is the square root of 4 plus the square root of 16 rational?

Find the area of the unshaded square