A baseball diamond is a square with each side 90 feet long. What is the straight-line distance from third base to first base? (Round your answer to the nearest tenth.)
a^2 + b^2 = c^2
(90 ft)^2 + (90 ft)^2 = c^2
16200 = c^2
127.2792206135785544 = c
c = 127.3 ft
+5 
