The pie chart illustrate the amount of private time a student spends in a week studying various subjects. use it to answer the question below

Find the value of K

  • A 15o
  • B 30o
  • C 60o
  • D 90o
waec 1999mathematics

The correct answer is B. 30o

Total angle in a circle = 360°

\(\therefore\) 105 + 75 + 2k + k + 3k = 360°

6k = 360 - 180 = 180

k = 180/6 = 30°

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