There were 400 students that attended the winter festival at Johnson middle school. Based on the circle graph above, How many more fifth-grade students attended eighth-grade students

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°