In a certain examination, the students obtain either grades A,B,C,D. more than 50students obtain grade A than those who obtain grade B. the number of students who obtain grade B is 25% more than those who obtain grade C. 50students obtained grade D. the number of students who obtain grade C is twice as many as those who obtain grade D. if a pie chart is drawn to represent the above information, calculate the angle of the sector which represents students who obtained grade A.

1

Jawapan

  • Yau
  • Bercita-cita tinggi
2016-03-24T19:28:19+08:00
Grade D= 50
grade C= 100
grade B= 125
grade A= 175 = 140 degrees