Find the exact length of the third side.
78
30

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?

What is the length of the segment joining the points at (4,5) and (6,-2) round to the nearest tenth if necessary

The pyramid below was dissected by a horizontal plane which shape describes the pyramid horizontal cross section