There are 5,000 books in the town's library. Of these, 4,800 are fiction. To find the percent of the books that are fiction. First set up the percent equation. Then find the percent.

If two angles of a triangle have equal measures and the third angle measures 90°, what are the angle measures of the triangle? a. 60°, 60°, 60° b. 45°, 90°, 90° c. 30°, 30°, 90° d. 45°, 45°, 90°